feat(nodes): versioning (#4449)

## What type of PR is this? (check all applicable)

- [ ] Refactor
- [x] Feature
- [ ] Bug Fix
- [ ] Optimization
- [ ] Documentation Update
- [ ] Community Node Submission


## Have you discussed this change with the InvokeAI team?
- [x] Yes
- [ ] No, because:

      
## Have you updated all relevant documentation?
- [x] Yes
- [ ] No


## Description

This PR is based on #4423 and should not be merged until it is merged.

[feat(nodes): add version to node
schemas](c179d4ccb7)

The `@invocation` decorator is extended with an optional `version` arg.
On execution of the decorator, the version string is parsed using the
`semver` package (this was an indirect dependency and has been added to
`pyproject.toml`).

All built-in nodes are set with `version="1.0.0"`.

The version is added to the OpenAPI Schema for consumption by the
client.

[feat(ui): handle node
versions](03de3e4f78)

- Node versions are now added to node templates
- Node data (including in workflows) include the version of the node
- On loading a workflow, we check to see if the node and template
versions match exactly. If not, a warning is logged to console.
- The node info icon (top-right corner of node, which you may click to
open the notes editor) now shows the version and mentions any issues.
- Some workflow validation logic has been shifted around and is now
executed in a redux listener.

## Related Tickets & Documents

<!--
For pull requests that relate or close an issue, please include them
below. 

For example having the text: "closes #1234" would connect the current
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- Closes #4393

## QA Instructions, Screenshots, Recordings

<!-- 
Please provide steps on how to test changes, any hardware or 
software specifications as well as any other pertinent information. 
-->

Loading old workflows should prompt a warning, and the node status icon
should indicate some action is needed.

## [optional] Are there any post deployment tasks we need to perform?

I've updated the default workflows:
- Bump workflow versions from 1.0 to 1.0.1
- Add versions for all nodes in the workflows
- Test workflows

[Default
Workflows.zip](https://github.com/invoke-ai/InvokeAI/files/12511911/Default.Workflows.zip)

I'm not sure where these are being stored right now @Millu

docs/contributing/INVOCATIONS.md

@@ -244,8 +244,12 @@ copy-paste the template above.
 We can use the `@invocation` decorator to provide some additional info to the
 UI, like a custom title, tags and category.
 
+We also encourage providing a version. This must be a
+[semver](https://semver.org/) version string ("$MAJOR.$MINOR.$PATCH"). The UI
+will let users know if their workflow is using a mismatched version of the node.
+
 ```python
-@invocation("resize", title="My Resizer", tags=["resize", "image"], category="My Invocations")
+@invocation("resize", title="My Resizer", tags=["resize", "image"], category="My Invocations", version="1.0.0")
 class ResizeInvocation(BaseInvocation):
     """Resizes an image"""
 
@@ -279,8 +283,6 @@ take a look a at our [contributing nodes overview](contributingNodes).
 
 ## Advanced
 
--->
-
 ### Custom Output Types
 
 Like with custom inputs, sometimes you might find yourself needing custom

invokeai/app/invocations/baseinvocation.py

@@ -26,11 +26,16 @@ from typing import (
 from pydantic import BaseModel, Field, validator
 from pydantic.fields import Undefined, ModelField
 from pydantic.typing import NoArgAnyCallable
+import semver
 
 if TYPE_CHECKING:
     from ..services.invocation_services import InvocationServices
 
 
+class InvalidVersionError(ValueError):
+    pass
+
+
 class FieldDescriptions:
     denoising_start = "When to start denoising, expressed a percentage of total steps"
     denoising_end = "When to stop denoising, expressed a percentage of total steps"
@@ -401,6 +406,9 @@ class UIConfigBase(BaseModel):
     tags: Optional[list[str]] = Field(default_factory=None, description="The node's tags")
     title: Optional[str] = Field(default=None, description="The node's display name")
     category: Optional[str] = Field(default=None, description="The node's category")
+    version: Optional[str] = Field(
+        default=None, description='The node\'s version. Should be a valid semver string e.g. "1.0.0" or "3.8.13".'
+    )
 
 
 class InvocationContext:
@@ -499,6 +507,8 @@ class BaseInvocation(ABC, BaseModel):
                 schema["tags"] = uiconfig.tags
             if uiconfig and hasattr(uiconfig, "category"):
                 schema["category"] = uiconfig.category
+            if uiconfig and hasattr(uiconfig, "version"):
+                schema["version"] = uiconfig.version
             if "required" not in schema or not isinstance(schema["required"], list):
                 schema["required"] = list()
             schema["required"].extend(["type", "id"])
@@ -567,7 +577,11 @@ GenericBaseInvocation = TypeVar("GenericBaseInvocation", bound=BaseInvocation)
 
 
 def invocation(
-    invocation_type: str, title: Optional[str] = None, tags: Optional[list[str]] = None, category: Optional[str] = None
+    invocation_type: str,
+    title: Optional[str] = None,
+    tags: Optional[list[str]] = None,
+    category: Optional[str] = None,
+    version: Optional[str] = None,
 ) -> Callable[[Type[GenericBaseInvocation]], Type[GenericBaseInvocation]]:
     """
     Adds metadata to an invocation.
@@ -594,6 +608,12 @@ def invocation(
             cls.UIConfig.tags = tags
         if category is not None:
             cls.UIConfig.category = category
+        if version is not None:
+            try:
+                semver.Version.parse(version)
+            except ValueError as e:
+                raise InvalidVersionError(f'Invalid version string for node "{invocation_type}": "{version}"') from e
+            cls.UIConfig.version = version
 
         # Add the invocation type to the pydantic model of the invocation
         invocation_type_annotation = Literal[invocation_type]  # type: ignore

invokeai/app/invocations/collections.py

@@ -10,7 +10,9 @@ from invokeai.app.util.misc import SEED_MAX, get_random_seed
 from .baseinvocation import BaseInvocation, InputField, InvocationContext, invocation
 
 
-@invocation("range", title="Integer Range", tags=["collection", "integer", "range"], category="collections")
+@invocation(
+    "range", title="Integer Range", tags=["collection", "integer", "range"], category="collections", version="1.0.0"
+)
 class RangeInvocation(BaseInvocation):
     """Creates a range of numbers from start to stop with step"""
 
@@ -33,6 +35,7 @@ class RangeInvocation(BaseInvocation):
     title="Integer Range of Size",
     tags=["collection", "integer", "size", "range"],
     category="collections",
+    version="1.0.0",
 )
 class RangeOfSizeInvocation(BaseInvocation):
     """Creates a range from start to start + size with step"""
@@ -50,6 +53,7 @@ class RangeOfSizeInvocation(BaseInvocation):
     title="Random Range",
     tags=["range", "integer", "random", "collection"],
     category="collections",
+    version="1.0.0",
 )
 class RandomRangeInvocation(BaseInvocation):
     """Creates a collection of random numbers"""

invokeai/app/invocations/compel.py

@@ -44,7 +44,7 @@ class ConditioningFieldData:
 #    PerpNeg = "perp_neg"
 
 
-@invocation("compel", title="Prompt", tags=["prompt", "compel"], category="conditioning")
+@invocation("compel", title="Prompt", tags=["prompt", "compel"], category="conditioning", version="1.0.0")
 class CompelInvocation(BaseInvocation):
     """Parse prompt using compel package to conditioning."""
 
@@ -267,6 +267,7 @@ class SDXLPromptInvocationBase:
     title="SDXL Prompt",
     tags=["sdxl", "compel", "prompt"],
     category="conditioning",
+    version="1.0.0",
 )
 class SDXLCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
     """Parse prompt using compel package to conditioning."""
@@ -351,6 +352,7 @@ class SDXLCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
     title="SDXL Refiner Prompt",
     tags=["sdxl", "compel", "prompt"],
     category="conditioning",
+    version="1.0.0",
 )
 class SDXLRefinerCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
     """Parse prompt using compel package to conditioning."""
@@ -403,7 +405,7 @@ class ClipSkipInvocationOutput(BaseInvocationOutput):
     clip: ClipField = OutputField(default=None, description=FieldDescriptions.clip, title="CLIP")
 
 
-@invocation("clip_skip", title="CLIP Skip", tags=["clipskip", "clip", "skip"], category="conditioning")
+@invocation("clip_skip", title="CLIP Skip", tags=["clipskip", "clip", "skip"], category="conditioning", version="1.0.0")
 class ClipSkipInvocation(BaseInvocation):
     """Skip layers in clip text_encoder model."""
 

invokeai/app/invocations/controlnet_image_processors.py

@@ -95,7 +95,7 @@ class ControlOutput(BaseInvocationOutput):
     control: ControlField = OutputField(description=FieldDescriptions.control)
 
 
-@invocation("controlnet", title="ControlNet", tags=["controlnet"], category="controlnet")
+@invocation("controlnet", title="ControlNet", tags=["controlnet"], category="controlnet", version="1.0.0")
 class ControlNetInvocation(BaseInvocation):
     """Collects ControlNet info to pass to other nodes"""
 
@@ -127,7 +127,9 @@ class ControlNetInvocation(BaseInvocation):
         )
 
 
-@invocation("image_processor", title="Base Image Processor", tags=["controlnet"], category="controlnet")
+@invocation(
+    "image_processor", title="Base Image Processor", tags=["controlnet"], category="controlnet", version="1.0.0"
+)
 class ImageProcessorInvocation(BaseInvocation):
     """Base class for invocations that preprocess images for ControlNet"""
 
@@ -171,6 +173,7 @@ class ImageProcessorInvocation(BaseInvocation):
     title="Canny Processor",
     tags=["controlnet", "canny"],
     category="controlnet",
+    version="1.0.0",
 )
 class CannyImageProcessorInvocation(ImageProcessorInvocation):
     """Canny edge detection for ControlNet"""
@@ -193,6 +196,7 @@ class CannyImageProcessorInvocation(ImageProcessorInvocation):
     title="HED (softedge) Processor",
     tags=["controlnet", "hed", "softedge"],
     category="controlnet",
+    version="1.0.0",
 )
 class HedImageProcessorInvocation(ImageProcessorInvocation):
     """Applies HED edge detection to image"""
@@ -221,6 +225,7 @@ class HedImageProcessorInvocation(ImageProcessorInvocation):
     title="Lineart Processor",
     tags=["controlnet", "lineart"],
     category="controlnet",
+    version="1.0.0",
 )
 class LineartImageProcessorInvocation(ImageProcessorInvocation):
     """Applies line art processing to image"""
@@ -242,6 +247,7 @@ class LineartImageProcessorInvocation(ImageProcessorInvocation):
     title="Lineart Anime Processor",
     tags=["controlnet", "lineart", "anime"],
     category="controlnet",
+    version="1.0.0",
 )
 class LineartAnimeImageProcessorInvocation(ImageProcessorInvocation):
     """Applies line art anime processing to image"""
@@ -264,6 +270,7 @@ class LineartAnimeImageProcessorInvocation(ImageProcessorInvocation):
     title="Openpose Processor",
     tags=["controlnet", "openpose", "pose"],
     category="controlnet",
+    version="1.0.0",
 )
 class OpenposeImageProcessorInvocation(ImageProcessorInvocation):
     """Applies Openpose processing to image"""
@@ -288,6 +295,7 @@ class OpenposeImageProcessorInvocation(ImageProcessorInvocation):
     title="Midas Depth Processor",
     tags=["controlnet", "midas"],
     category="controlnet",
+    version="1.0.0",
 )
 class MidasDepthImageProcessorInvocation(ImageProcessorInvocation):
     """Applies Midas depth processing to image"""
@@ -314,6 +322,7 @@ class MidasDepthImageProcessorInvocation(ImageProcessorInvocation):
     title="Normal BAE Processor",
     tags=["controlnet"],
     category="controlnet",
+    version="1.0.0",
 )
 class NormalbaeImageProcessorInvocation(ImageProcessorInvocation):
     """Applies NormalBae processing to image"""
@@ -329,7 +338,9 @@ class NormalbaeImageProcessorInvocation(ImageProcessorInvocation):
         return processed_image
 
 
-@invocation("mlsd_image_processor", title="MLSD Processor", tags=["controlnet", "mlsd"], category="controlnet")
+@invocation(
+    "mlsd_image_processor", title="MLSD Processor", tags=["controlnet", "mlsd"], category="controlnet", version="1.0.0"
+)
 class MlsdImageProcessorInvocation(ImageProcessorInvocation):
     """Applies MLSD processing to image"""
 
@@ -350,7 +361,9 @@ class MlsdImageProcessorInvocation(ImageProcessorInvocation):
         return processed_image
 
 
-@invocation("pidi_image_processor", title="PIDI Processor", tags=["controlnet", "pidi"], category="controlnet")
+@invocation(
+    "pidi_image_processor", title="PIDI Processor", tags=["controlnet", "pidi"], category="controlnet", version="1.0.0"
+)
 class PidiImageProcessorInvocation(ImageProcessorInvocation):
     """Applies PIDI processing to image"""
 
@@ -376,6 +389,7 @@ class PidiImageProcessorInvocation(ImageProcessorInvocation):
     title="Content Shuffle Processor",
     tags=["controlnet", "contentshuffle"],
     category="controlnet",
+    version="1.0.0",
 )
 class ContentShuffleImageProcessorInvocation(ImageProcessorInvocation):
     """Applies content shuffle processing to image"""
@@ -405,6 +419,7 @@ class ContentShuffleImageProcessorInvocation(ImageProcessorInvocation):
     title="Zoe (Depth) Processor",
     tags=["controlnet", "zoe", "depth"],
     category="controlnet",
+    version="1.0.0",
 )
 class ZoeDepthImageProcessorInvocation(ImageProcessorInvocation):
     """Applies Zoe depth processing to image"""
@@ -420,6 +435,7 @@ class ZoeDepthImageProcessorInvocation(ImageProcessorInvocation):
     title="Mediapipe Face Processor",
     tags=["controlnet", "mediapipe", "face"],
     category="controlnet",
+    version="1.0.0",
 )
 class MediapipeFaceProcessorInvocation(ImageProcessorInvocation):
     """Applies mediapipe face processing to image"""
@@ -442,6 +458,7 @@ class MediapipeFaceProcessorInvocation(ImageProcessorInvocation):
     title="Leres (Depth) Processor",
     tags=["controlnet", "leres", "depth"],
     category="controlnet",
+    version="1.0.0",
 )
 class LeresImageProcessorInvocation(ImageProcessorInvocation):
     """Applies leres processing to image"""
@@ -470,6 +487,7 @@ class LeresImageProcessorInvocation(ImageProcessorInvocation):
     title="Tile Resample Processor",
     tags=["controlnet", "tile"],
     category="controlnet",
+    version="1.0.0",
 )
 class TileResamplerProcessorInvocation(ImageProcessorInvocation):
     """Tile resampler processor"""
@@ -509,6 +527,7 @@ class TileResamplerProcessorInvocation(ImageProcessorInvocation):
     title="Segment Anything Processor",
     tags=["controlnet", "segmentanything"],
     category="controlnet",
+    version="1.0.0",
 )
 class SegmentAnythingProcessorInvocation(ImageProcessorInvocation):
     """Applies segment anything processing to image"""

invokeai/app/invocations/cv.py

@@ -10,12 +10,7 @@ from invokeai.app.models.image import ImageCategory, ResourceOrigin
 from .baseinvocation import BaseInvocation, InputField, InvocationContext, invocation
 
 
-@invocation(
+@invocation("cv_inpaint", title="OpenCV Inpaint", tags=["opencv", "inpaint"], category="inpaint", version="1.0.0")
-    "cv_inpaint",
-    title="OpenCV Inpaint",
-    tags=["opencv", "inpaint"],
-    category="inpaint",
-)
 class CvInpaintInvocation(BaseInvocation):
     """Simple inpaint using opencv."""
 

invokeai/app/invocations/image.py

@@ -16,7 +16,7 @@ from ..models.image import ImageCategory, ResourceOrigin
 from .baseinvocation import BaseInvocation, FieldDescriptions, InputField, InvocationContext, invocation
 
 
-@invocation("show_image", title="Show Image", tags=["image"], category="image")
+@invocation("show_image", title="Show Image", tags=["image"], category="image", version="1.0.0")
 class ShowImageInvocation(BaseInvocation):
     """Displays a provided image using the OS image viewer, and passes it forward in the pipeline."""
 
@@ -36,7 +36,7 @@ class ShowImageInvocation(BaseInvocation):
         )
 
 
-@invocation("blank_image", title="Blank Image", tags=["image"], category="image")
+@invocation("blank_image", title="Blank Image", tags=["image"], category="image", version="1.0.0")
 class BlankImageInvocation(BaseInvocation):
     """Creates a blank image and forwards it to the pipeline"""
 
@@ -65,7 +65,7 @@ class BlankImageInvocation(BaseInvocation):
         )
 
 
-@invocation("img_crop", title="Crop Image", tags=["image", "crop"], category="image")
+@invocation("img_crop", title="Crop Image", tags=["image", "crop"], category="image", version="1.0.0")
 class ImageCropInvocation(BaseInvocation):
     """Crops an image to a specified box. The box can be outside of the image."""
 
@@ -98,7 +98,7 @@ class ImageCropInvocation(BaseInvocation):
         )
 
 
-@invocation("img_paste", title="Paste Image", tags=["image", "paste"], category="image")
+@invocation("img_paste", title="Paste Image", tags=["image", "paste"], category="image", version="1.0.0")
 class ImagePasteInvocation(BaseInvocation):
     """Pastes an image into another image."""
 
@@ -146,7 +146,7 @@ class ImagePasteInvocation(BaseInvocation):
         )
 
 
-@invocation("tomask", title="Mask from Alpha", tags=["image", "mask"], category="image")
+@invocation("tomask", title="Mask from Alpha", tags=["image", "mask"], category="image", version="1.0.0")
 class MaskFromAlphaInvocation(BaseInvocation):
     """Extracts the alpha channel of an image as a mask."""
 
@@ -177,7 +177,7 @@ class MaskFromAlphaInvocation(BaseInvocation):
         )
 
 
-@invocation("img_mul", title="Multiply Images", tags=["image", "multiply"], category="image")
+@invocation("img_mul", title="Multiply Images", tags=["image", "multiply"], category="image", version="1.0.0")
 class ImageMultiplyInvocation(BaseInvocation):
     """Multiplies two images together using `PIL.ImageChops.multiply()`."""
 
@@ -210,7 +210,7 @@ class ImageMultiplyInvocation(BaseInvocation):
 IMAGE_CHANNELS = Literal["A", "R", "G", "B"]
 
 
-@invocation("img_chan", title="Extract Image Channel", tags=["image", "channel"], category="image")
+@invocation("img_chan", title="Extract Image Channel", tags=["image", "channel"], category="image", version="1.0.0")
 class ImageChannelInvocation(BaseInvocation):
     """Gets a channel from an image."""
 
@@ -242,7 +242,7 @@ class ImageChannelInvocation(BaseInvocation):
 IMAGE_MODES = Literal["L", "RGB", "RGBA", "CMYK", "YCbCr", "LAB", "HSV", "I", "F"]
 
 
-@invocation("img_conv", title="Convert Image Mode", tags=["image", "convert"], category="image")
+@invocation("img_conv", title="Convert Image Mode", tags=["image", "convert"], category="image", version="1.0.0")
 class ImageConvertInvocation(BaseInvocation):
     """Converts an image to a different mode."""
 
@@ -271,7 +271,7 @@ class ImageConvertInvocation(BaseInvocation):
         )
 
 
-@invocation("img_blur", title="Blur Image", tags=["image", "blur"], category="image")
+@invocation("img_blur", title="Blur Image", tags=["image", "blur"], category="image", version="1.0.0")
 class ImageBlurInvocation(BaseInvocation):
     """Blurs an image"""
 
@@ -325,7 +325,7 @@ PIL_RESAMPLING_MAP = {
 }
 
 
-@invocation("img_resize", title="Resize Image", tags=["image", "resize"], category="image")
+@invocation("img_resize", title="Resize Image", tags=["image", "resize"], category="image", version="1.0.0")
 class ImageResizeInvocation(BaseInvocation):
     """Resizes an image to specific dimensions"""
 
@@ -365,7 +365,7 @@ class ImageResizeInvocation(BaseInvocation):
         )
 
 
-@invocation("img_scale", title="Scale Image", tags=["image", "scale"], category="image")
+@invocation("img_scale", title="Scale Image", tags=["image", "scale"], category="image", version="1.0.0")
 class ImageScaleInvocation(BaseInvocation):
     """Scales an image by a factor"""
 
@@ -406,7 +406,7 @@ class ImageScaleInvocation(BaseInvocation):
         )
 
 
-@invocation("img_lerp", title="Lerp Image", tags=["image", "lerp"], category="image")
+@invocation("img_lerp", title="Lerp Image", tags=["image", "lerp"], category="image", version="1.0.0")
 class ImageLerpInvocation(BaseInvocation):
     """Linear interpolation of all pixels of an image"""
 
@@ -439,7 +439,7 @@ class ImageLerpInvocation(BaseInvocation):
         )
 
 
-@invocation("img_ilerp", title="Inverse Lerp Image", tags=["image", "ilerp"], category="image")
+@invocation("img_ilerp", title="Inverse Lerp Image", tags=["image", "ilerp"], category="image", version="1.0.0")
 class ImageInverseLerpInvocation(BaseInvocation):
     """Inverse linear interpolation of all pixels of an image"""
 
@@ -472,7 +472,7 @@ class ImageInverseLerpInvocation(BaseInvocation):
         )
 
 
-@invocation("img_nsfw", title="Blur NSFW Image", tags=["image", "nsfw"], category="image")
+@invocation("img_nsfw", title="Blur NSFW Image", tags=["image", "nsfw"], category="image", version="1.0.0")
 class ImageNSFWBlurInvocation(BaseInvocation):
     """Add blur to NSFW-flagged images"""
 
@@ -517,7 +517,9 @@ class ImageNSFWBlurInvocation(BaseInvocation):
         return caution.resize((caution.width // 2, caution.height // 2))
 
 
-@invocation("img_watermark", title="Add Invisible Watermark", tags=["image", "watermark"], category="image")
+@invocation(
+    "img_watermark", title="Add Invisible Watermark", tags=["image", "watermark"], category="image", version="1.0.0"
+)
 class ImageWatermarkInvocation(BaseInvocation):
     """Add an invisible watermark to an image"""
 
@@ -548,7 +550,7 @@ class ImageWatermarkInvocation(BaseInvocation):
         )
 
 
-@invocation("mask_edge", title="Mask Edge", tags=["image", "mask", "inpaint"], category="image")
+@invocation("mask_edge", title="Mask Edge", tags=["image", "mask", "inpaint"], category="image", version="1.0.0")
 class MaskEdgeInvocation(BaseInvocation):
     """Applies an edge mask to an image"""
 
@@ -593,7 +595,9 @@ class MaskEdgeInvocation(BaseInvocation):
         )
 
 
-@invocation("mask_combine", title="Combine Masks", tags=["image", "mask", "multiply"], category="image")
+@invocation(
+    "mask_combine", title="Combine Masks", tags=["image", "mask", "multiply"], category="image", version="1.0.0"
+)
 class MaskCombineInvocation(BaseInvocation):
     """Combine two masks together by multiplying them using `PIL.ImageChops.multiply()`."""
 
@@ -623,7 +627,7 @@ class MaskCombineInvocation(BaseInvocation):
         )
 
 
-@invocation("color_correct", title="Color Correct", tags=["image", "color"], category="image")
+@invocation("color_correct", title="Color Correct", tags=["image", "color"], category="image", version="1.0.0")
 class ColorCorrectInvocation(BaseInvocation):
     """
     Shifts the colors of a target image to match the reference image, optionally
@@ -728,7 +732,7 @@ class ColorCorrectInvocation(BaseInvocation):
         )
 
 
-@invocation("img_hue_adjust", title="Adjust Image Hue", tags=["image", "hue"], category="image")
+@invocation("img_hue_adjust", title="Adjust Image Hue", tags=["image", "hue"], category="image", version="1.0.0")
 class ImageHueAdjustmentInvocation(BaseInvocation):
     """Adjusts the Hue of an image."""
 
@@ -774,6 +778,7 @@ class ImageHueAdjustmentInvocation(BaseInvocation):
     title="Adjust Image Luminosity",
     tags=["image", "luminosity", "hsl"],
     category="image",
+    version="1.0.0",
 )
 class ImageLuminosityAdjustmentInvocation(BaseInvocation):
     """Adjusts the Luminosity (Value) of an image."""
@@ -826,6 +831,7 @@ class ImageLuminosityAdjustmentInvocation(BaseInvocation):
     title="Adjust Image Saturation",
     tags=["image", "saturation", "hsl"],
     category="image",
+    version="1.0.0",
 )
 class ImageSaturationAdjustmentInvocation(BaseInvocation):
     """Adjusts the Saturation of an image."""

invokeai/app/invocations/infill.py

@@ -116,7 +116,7 @@ def tile_fill_missing(im: Image.Image, tile_size: int = 16, seed: Optional[int]
     return si
 
 
-@invocation("infill_rgba", title="Solid Color Infill", tags=["image", "inpaint"], category="inpaint")
+@invocation("infill_rgba", title="Solid Color Infill", tags=["image", "inpaint"], category="inpaint", version="1.0.0")
 class InfillColorInvocation(BaseInvocation):
     """Infills transparent areas of an image with a solid color"""
 
@@ -151,7 +151,7 @@ class InfillColorInvocation(BaseInvocation):
         )
 
 
-@invocation("infill_tile", title="Tile Infill", tags=["image", "inpaint"], category="inpaint")
+@invocation("infill_tile", title="Tile Infill", tags=["image", "inpaint"], category="inpaint", version="1.0.0")
 class InfillTileInvocation(BaseInvocation):
     """Infills transparent areas of an image with tiles of the image"""
 
@@ -187,7 +187,9 @@ class InfillTileInvocation(BaseInvocation):
         )
 
 
-@invocation("infill_patchmatch", title="PatchMatch Infill", tags=["image", "inpaint"], category="inpaint")
+@invocation(
+    "infill_patchmatch", title="PatchMatch Infill", tags=["image", "inpaint"], category="inpaint", version="1.0.0"
+)
 class InfillPatchMatchInvocation(BaseInvocation):
     """Infills transparent areas of an image using the PatchMatch algorithm"""
 
@@ -218,7 +220,7 @@ class InfillPatchMatchInvocation(BaseInvocation):
         )
 
 
-@invocation("infill_lama", title="LaMa Infill", tags=["image", "inpaint"], category="inpaint")
+@invocation("infill_lama", title="LaMa Infill", tags=["image", "inpaint"], category="inpaint", version="1.0.0")
 class LaMaInfillInvocation(BaseInvocation):
     """Infills transparent areas of an image using the LaMa model"""
 

invokeai/app/invocations/latent.py

@@ -74,7 +74,7 @@ class SchedulerOutput(BaseInvocationOutput):
     scheduler: SAMPLER_NAME_VALUES = OutputField(description=FieldDescriptions.scheduler, ui_type=UIType.Scheduler)
 
 
-@invocation("scheduler", title="Scheduler", tags=["scheduler"], category="latents")
+@invocation("scheduler", title="Scheduler", tags=["scheduler"], category="latents", version="1.0.0")
 class SchedulerInvocation(BaseInvocation):
     """Selects a scheduler."""
 
@@ -86,7 +86,9 @@ class SchedulerInvocation(BaseInvocation):
         return SchedulerOutput(scheduler=self.scheduler)
 
 
-@invocation("create_denoise_mask", title="Create Denoise Mask", tags=["mask", "denoise"], category="latents")
+@invocation(
+    "create_denoise_mask", title="Create Denoise Mask", tags=["mask", "denoise"], category="latents", version="1.0.0"
+)
 class CreateDenoiseMaskInvocation(BaseInvocation):
     """Creates mask for denoising model run."""
 
@@ -186,6 +188,7 @@ def get_scheduler(
     title="Denoise Latents",
     tags=["latents", "denoise", "txt2img", "t2i", "t2l", "img2img", "i2i", "l2l"],
     category="latents",
+    version="1.0.0",
 )
 class DenoiseLatentsInvocation(BaseInvocation):
     """Denoises noisy latents to decodable images"""
@@ -544,7 +547,9 @@ class DenoiseLatentsInvocation(BaseInvocation):
         return build_latents_output(latents_name=name, latents=result_latents, seed=seed)
 
 
-@invocation("l2i", title="Latents to Image", tags=["latents", "image", "vae", "l2i"], category="latents")
+@invocation(
+    "l2i", title="Latents to Image", tags=["latents", "image", "vae", "l2i"], category="latents", version="1.0.0"
+)
 class LatentsToImageInvocation(BaseInvocation):
     """Generates an image from latents."""
 
@@ -641,7 +646,7 @@ class LatentsToImageInvocation(BaseInvocation):
 LATENTS_INTERPOLATION_MODE = Literal["nearest", "linear", "bilinear", "bicubic", "trilinear", "area", "nearest-exact"]
 
 
-@invocation("lresize", title="Resize Latents", tags=["latents", "resize"], category="latents")
+@invocation("lresize", title="Resize Latents", tags=["latents", "resize"], category="latents", version="1.0.0")
 class ResizeLatentsInvocation(BaseInvocation):
     """Resizes latents to explicit width/height (in pixels). Provided dimensions are floor-divided by 8."""
 
@@ -685,7 +690,7 @@ class ResizeLatentsInvocation(BaseInvocation):
         return build_latents_output(latents_name=name, latents=resized_latents, seed=self.latents.seed)
 
 
-@invocation("lscale", title="Scale Latents", tags=["latents", "resize"], category="latents")
+@invocation("lscale", title="Scale Latents", tags=["latents", "resize"], category="latents", version="1.0.0")
 class ScaleLatentsInvocation(BaseInvocation):
     """Scales latents by a given factor."""
 
@@ -721,7 +726,9 @@ class ScaleLatentsInvocation(BaseInvocation):
         return build_latents_output(latents_name=name, latents=resized_latents, seed=self.latents.seed)
 
 
-@invocation("i2l", title="Image to Latents", tags=["latents", "image", "vae", "i2l"], category="latents")
+@invocation(
+    "i2l", title="Image to Latents", tags=["latents", "image", "vae", "i2l"], category="latents", version="1.0.0"
+)
 class ImageToLatentsInvocation(BaseInvocation):
     """Encodes an image into latents."""
 
@@ -801,7 +808,7 @@ class ImageToLatentsInvocation(BaseInvocation):
         return build_latents_output(latents_name=name, latents=latents, seed=None)
 
 
-@invocation("lblend", title="Blend Latents", tags=["latents", "blend"], category="latents")
+@invocation("lblend", title="Blend Latents", tags=["latents", "blend"], category="latents", version="1.0.0")
 class BlendLatentsInvocation(BaseInvocation):
     """Blend two latents using a given alpha. Latents must have same size."""
 

invokeai/app/invocations/math.py

@@ -7,7 +7,7 @@ from invokeai.app.invocations.primitives import IntegerOutput
 from .baseinvocation import BaseInvocation, FieldDescriptions, InputField, InvocationContext, invocation
 
 
-@invocation("add", title="Add Integers", tags=["math", "add"], category="math")
+@invocation("add", title="Add Integers", tags=["math", "add"], category="math", version="1.0.0")
 class AddInvocation(BaseInvocation):
     """Adds two numbers"""
 
@@ -18,7 +18,7 @@ class AddInvocation(BaseInvocation):
         return IntegerOutput(value=self.a + self.b)
 
 
-@invocation("sub", title="Subtract Integers", tags=["math", "subtract"], category="math")
+@invocation("sub", title="Subtract Integers", tags=["math", "subtract"], category="math", version="1.0.0")
 class SubtractInvocation(BaseInvocation):
     """Subtracts two numbers"""
 
@@ -29,7 +29,7 @@ class SubtractInvocation(BaseInvocation):
         return IntegerOutput(value=self.a - self.b)
 
 
-@invocation("mul", title="Multiply Integers", tags=["math", "multiply"], category="math")
+@invocation("mul", title="Multiply Integers", tags=["math", "multiply"], category="math", version="1.0.0")
 class MultiplyInvocation(BaseInvocation):
     """Multiplies two numbers"""
 
@@ -40,7 +40,7 @@ class MultiplyInvocation(BaseInvocation):
         return IntegerOutput(value=self.a * self.b)
 
 
-@invocation("div", title="Divide Integers", tags=["math", "divide"], category="math")
+@invocation("div", title="Divide Integers", tags=["math", "divide"], category="math", version="1.0.0")
 class DivideInvocation(BaseInvocation):
     """Divides two numbers"""
 
@@ -51,7 +51,7 @@ class DivideInvocation(BaseInvocation):
         return IntegerOutput(value=int(self.a / self.b))
 
 
-@invocation("rand_int", title="Random Integer", tags=["math", "random"], category="math")
+@invocation("rand_int", title="Random Integer", tags=["math", "random"], category="math", version="1.0.0")
 class RandomIntInvocation(BaseInvocation):
     """Outputs a single random integer."""
 

invokeai/app/invocations/metadata.py

@@ -98,7 +98,9 @@ class MetadataAccumulatorOutput(BaseInvocationOutput):
     metadata: CoreMetadata = OutputField(description="The core metadata for the image")
 
 
-@invocation("metadata_accumulator", title="Metadata Accumulator", tags=["metadata"], category="metadata")
+@invocation(
+    "metadata_accumulator", title="Metadata Accumulator", tags=["metadata"], category="metadata", version="1.0.0"
+)
 class MetadataAccumulatorInvocation(BaseInvocation):
     """Outputs a Core Metadata Object"""
 

invokeai/app/invocations/model.py

@@ -73,7 +73,7 @@ class LoRAModelField(BaseModel):
     base_model: BaseModelType = Field(description="Base model")
 
 
-@invocation("main_model_loader", title="Main Model", tags=["model"], category="model")
+@invocation("main_model_loader", title="Main Model", tags=["model"], category="model", version="1.0.0")
 class MainModelLoaderInvocation(BaseInvocation):
     """Loads a main model, outputting its submodels."""
 
@@ -173,7 +173,7 @@ class LoraLoaderOutput(BaseInvocationOutput):
     clip: Optional[ClipField] = OutputField(default=None, description=FieldDescriptions.clip, title="CLIP")
 
 
-@invocation("lora_loader", title="LoRA", tags=["model"], category="model")
+@invocation("lora_loader", title="LoRA", tags=["model"], category="model", version="1.0.0")
 class LoraLoaderInvocation(BaseInvocation):
     """Apply selected lora to unet and text_encoder."""
 
@@ -244,7 +244,7 @@ class SDXLLoraLoaderOutput(BaseInvocationOutput):
     clip2: Optional[ClipField] = OutputField(default=None, description=FieldDescriptions.clip, title="CLIP 2")
 
 
-@invocation("sdxl_lora_loader", title="SDXL LoRA", tags=["lora", "model"], category="model")
+@invocation("sdxl_lora_loader", title="SDXL LoRA", tags=["lora", "model"], category="model", version="1.0.0")
 class SDXLLoraLoaderInvocation(BaseInvocation):
     """Apply selected lora to unet and text_encoder."""
 
@@ -338,7 +338,7 @@ class VaeLoaderOutput(BaseInvocationOutput):
     vae: VaeField = OutputField(description=FieldDescriptions.vae, title="VAE")
 
 
-@invocation("vae_loader", title="VAE", tags=["vae", "model"], category="model")
+@invocation("vae_loader", title="VAE", tags=["vae", "model"], category="model", version="1.0.0")
 class VaeLoaderInvocation(BaseInvocation):
     """Loads a VAE model, outputting a VaeLoaderOutput"""
 
@@ -376,7 +376,7 @@ class SeamlessModeOutput(BaseInvocationOutput):
     vae: Optional[VaeField] = OutputField(description=FieldDescriptions.vae, title="VAE")
 
 
-@invocation("seamless", title="Seamless", tags=["seamless", "model"], category="model")
+@invocation("seamless", title="Seamless", tags=["seamless", "model"], category="model", version="1.0.0")
 class SeamlessModeInvocation(BaseInvocation):
     """Applies the seamless transformation to the Model UNet and VAE."""
 

invokeai/app/invocations/noise.py

@@ -78,7 +78,7 @@ def build_noise_output(latents_name: str, latents: torch.Tensor, seed: int):
     )
 
 
-@invocation("noise", title="Noise", tags=["latents", "noise"], category="latents")
+@invocation("noise", title="Noise", tags=["latents", "noise"], category="latents", version="1.0.0")
 class NoiseInvocation(BaseInvocation):
     """Generates latent noise."""
 

invokeai/app/invocations/onnx.py

@@ -56,7 +56,7 @@ ORT_TO_NP_TYPE = {
 PRECISION_VALUES = Literal[tuple(list(ORT_TO_NP_TYPE.keys()))]
 
 
-@invocation("prompt_onnx", title="ONNX Prompt (Raw)", tags=["prompt", "onnx"], category="conditioning")
+@invocation("prompt_onnx", title="ONNX Prompt (Raw)", tags=["prompt", "onnx"], category="conditioning", version="1.0.0")
 class ONNXPromptInvocation(BaseInvocation):
     prompt: str = InputField(default="", description=FieldDescriptions.raw_prompt, ui_component=UIComponent.Textarea)
     clip: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection)
@@ -143,6 +143,7 @@ class ONNXPromptInvocation(BaseInvocation):
     title="ONNX Text to Latents",
     tags=["latents", "inference", "txt2img", "onnx"],
     category="latents",
+    version="1.0.0",
 )
 class ONNXTextToLatentsInvocation(BaseInvocation):
     """Generates latents from conditionings."""
@@ -319,6 +320,7 @@ class ONNXTextToLatentsInvocation(BaseInvocation):
     title="ONNX Latents to Image",
     tags=["latents", "image", "vae", "onnx"],
     category="image",
+    version="1.0.0",
 )
 class ONNXLatentsToImageInvocation(BaseInvocation):
     """Generates an image from latents."""
@@ -403,7 +405,7 @@ class OnnxModelField(BaseModel):
     model_type: ModelType = Field(description="Model Type")
 
 
-@invocation("onnx_model_loader", title="ONNX Main Model", tags=["onnx", "model"], category="model")
+@invocation("onnx_model_loader", title="ONNX Main Model", tags=["onnx", "model"], category="model", version="1.0.0")
 class OnnxModelLoaderInvocation(BaseInvocation):
     """Loads a main model, outputting its submodels."""
 

invokeai/app/invocations/param_easing.py

@@ -45,7 +45,7 @@ from invokeai.app.invocations.primitives import FloatCollectionOutput
 from .baseinvocation import BaseInvocation, InputField, InvocationContext, invocation
 
 
-@invocation("float_range", title="Float Range", tags=["math", "range"], category="math")
+@invocation("float_range", title="Float Range", tags=["math", "range"], category="math", version="1.0.0")
 class FloatLinearRangeInvocation(BaseInvocation):
     """Creates a range"""
 
@@ -96,7 +96,7 @@ EASING_FUNCTION_KEYS = Literal[tuple(list(EASING_FUNCTIONS_MAP.keys()))]
 
 
 # actually I think for now could just use CollectionOutput (which is list[Any]
-@invocation("step_param_easing", title="Step Param Easing", tags=["step", "easing"], category="step")
+@invocation("step_param_easing", title="Step Param Easing", tags=["step", "easing"], category="step", version="1.0.0")
 class StepParamEasingInvocation(BaseInvocation):
     """Experimental per-step parameter easing for denoising steps"""
 

invokeai/app/invocations/primitives.py

@@ -44,7 +44,9 @@ class BooleanCollectionOutput(BaseInvocationOutput):
     )
 
 
-@invocation("boolean", title="Boolean Primitive", tags=["primitives", "boolean"], category="primitives")
+@invocation(
+    "boolean", title="Boolean Primitive", tags=["primitives", "boolean"], category="primitives", version="1.0.0"
+)
 class BooleanInvocation(BaseInvocation):
     """A boolean primitive value"""
 
@@ -59,6 +61,7 @@ class BooleanInvocation(BaseInvocation):
     title="Boolean Collection Primitive",
     tags=["primitives", "boolean", "collection"],
     category="primitives",
+    version="1.0.0",
 )
 class BooleanCollectionInvocation(BaseInvocation):
     """A collection of boolean primitive values"""
@@ -90,7 +93,9 @@ class IntegerCollectionOutput(BaseInvocationOutput):
     )
 
 
-@invocation("integer", title="Integer Primitive", tags=["primitives", "integer"], category="primitives")
+@invocation(
+    "integer", title="Integer Primitive", tags=["primitives", "integer"], category="primitives", version="1.0.0"
+)
 class IntegerInvocation(BaseInvocation):
     """An integer primitive value"""
 
@@ -105,6 +110,7 @@ class IntegerInvocation(BaseInvocation):
     title="Integer Collection Primitive",
     tags=["primitives", "integer", "collection"],
     category="primitives",
+    version="1.0.0",
 )
 class IntegerCollectionInvocation(BaseInvocation):
     """A collection of integer primitive values"""
@@ -136,7 +142,7 @@ class FloatCollectionOutput(BaseInvocationOutput):
     )
 
 
-@invocation("float", title="Float Primitive", tags=["primitives", "float"], category="primitives")
+@invocation("float", title="Float Primitive", tags=["primitives", "float"], category="primitives", version="1.0.0")
 class FloatInvocation(BaseInvocation):
     """A float primitive value"""
 
@@ -151,6 +157,7 @@ class FloatInvocation(BaseInvocation):
     title="Float Collection Primitive",
     tags=["primitives", "float", "collection"],
     category="primitives",
+    version="1.0.0",
 )
 class FloatCollectionInvocation(BaseInvocation):
     """A collection of float primitive values"""
@@ -182,7 +189,7 @@ class StringCollectionOutput(BaseInvocationOutput):
     )
 
 
-@invocation("string", title="String Primitive", tags=["primitives", "string"], category="primitives")
+@invocation("string", title="String Primitive", tags=["primitives", "string"], category="primitives", version="1.0.0")
 class StringInvocation(BaseInvocation):
     """A string primitive value"""
 
@@ -197,6 +204,7 @@ class StringInvocation(BaseInvocation):
     title="String Collection Primitive",
     tags=["primitives", "string", "collection"],
     category="primitives",
+    version="1.0.0",
 )
 class StringCollectionInvocation(BaseInvocation):
     """A collection of string primitive values"""
@@ -236,7 +244,7 @@ class ImageCollectionOutput(BaseInvocationOutput):
     )
 
 
-@invocation("image", title="Image Primitive", tags=["primitives", "image"], category="primitives")
+@invocation("image", title="Image Primitive", tags=["primitives", "image"], category="primitives", version="1.0.0")
 class ImageInvocation(BaseInvocation):
     """An image primitive value"""
 
@@ -257,6 +265,7 @@ class ImageInvocation(BaseInvocation):
     title="Image Collection Primitive",
     tags=["primitives", "image", "collection"],
     category="primitives",
+    version="1.0.0",
 )
 class ImageCollectionInvocation(BaseInvocation):
     """A collection of image primitive values"""
@@ -318,7 +327,9 @@ class LatentsCollectionOutput(BaseInvocationOutput):
     )
 
 
-@invocation("latents", title="Latents Primitive", tags=["primitives", "latents"], category="primitives")
+@invocation(
+    "latents", title="Latents Primitive", tags=["primitives", "latents"], category="primitives", version="1.0.0"
+)
 class LatentsInvocation(BaseInvocation):
     """A latents tensor primitive value"""
 
@@ -335,6 +346,7 @@ class LatentsInvocation(BaseInvocation):
     title="Latents Collection Primitive",
     tags=["primitives", "latents", "collection"],
     category="primitives",
+    version="1.0.0",
 )
 class LatentsCollectionInvocation(BaseInvocation):
     """A collection of latents tensor primitive values"""
@@ -388,7 +400,7 @@ class ColorCollectionOutput(BaseInvocationOutput):
     )
 
 
-@invocation("color", title="Color Primitive", tags=["primitives", "color"], category="primitives")
+@invocation("color", title="Color Primitive", tags=["primitives", "color"], category="primitives", version="1.0.0")
 class ColorInvocation(BaseInvocation):
     """A color primitive value"""
 
@@ -430,6 +442,7 @@ class ConditioningCollectionOutput(BaseInvocationOutput):
     title="Conditioning Primitive",
     tags=["primitives", "conditioning"],
     category="primitives",
+    version="1.0.0",
 )
 class ConditioningInvocation(BaseInvocation):
     """A conditioning tensor primitive value"""
@@ -445,6 +458,7 @@ class ConditioningInvocation(BaseInvocation):
     title="Conditioning Collection Primitive",
     tags=["primitives", "conditioning", "collection"],
     category="primitives",
+    version="1.0.0",
 )
 class ConditioningCollectionInvocation(BaseInvocation):
     """A collection of conditioning tensor primitive values"""

invokeai/app/invocations/prompt.py

@@ -10,7 +10,7 @@ from invokeai.app.invocations.primitives import StringCollectionOutput
 from .baseinvocation import BaseInvocation, InputField, InvocationContext, UIComponent, invocation
 
 
-@invocation("dynamic_prompt", title="Dynamic Prompt", tags=["prompt", "collection"], category="prompt")
+@invocation("dynamic_prompt", title="Dynamic Prompt", tags=["prompt", "collection"], category="prompt", version="1.0.0")
 class DynamicPromptInvocation(BaseInvocation):
     """Parses a prompt using adieyal/dynamicprompts' random or combinatorial generator"""
 
@@ -29,7 +29,7 @@ class DynamicPromptInvocation(BaseInvocation):
         return StringCollectionOutput(collection=prompts)
 
 
-@invocation("prompt_from_file", title="Prompts from File", tags=["prompt", "file"], category="prompt")
+@invocation("prompt_from_file", title="Prompts from File", tags=["prompt", "file"], category="prompt", version="1.0.0")
 class PromptsFromFileInvocation(BaseInvocation):
     """Loads prompts from a text file"""
 

invokeai/app/invocations/sdxl.py

@@ -33,7 +33,7 @@ class SDXLRefinerModelLoaderOutput(BaseInvocationOutput):
     vae: VaeField = OutputField(description=FieldDescriptions.vae, title="VAE")
 
 
-@invocation("sdxl_model_loader", title="SDXL Main Model", tags=["model", "sdxl"], category="model")
+@invocation("sdxl_model_loader", title="SDXL Main Model", tags=["model", "sdxl"], category="model", version="1.0.0")
 class SDXLModelLoaderInvocation(BaseInvocation):
     """Loads an sdxl base model, outputting its submodels."""
 
@@ -119,6 +119,7 @@ class SDXLModelLoaderInvocation(BaseInvocation):
     title="SDXL Refiner Model",
     tags=["model", "sdxl", "refiner"],
     category="model",
+    version="1.0.0",
 )
 class SDXLRefinerModelLoaderInvocation(BaseInvocation):
     """Loads an sdxl refiner model, outputting its submodels."""

invokeai/app/invocations/upscale.py

@@ -23,7 +23,7 @@ ESRGAN_MODELS = Literal[
 ]
 
 
-@invocation("esrgan", title="Upscale (RealESRGAN)", tags=["esrgan", "upscale"], category="esrgan")
+@invocation("esrgan", title="Upscale (RealESRGAN)", tags=["esrgan", "upscale"], category="esrgan", version="1.0.0")
 class ESRGANInvocation(BaseInvocation):
     """Upscales an image using RealESRGAN."""
 

invokeai/frontend/web/package.json

@@ -75,6 +75,7 @@
     "@reduxjs/toolkit": "^1.9.5",
     "@roarr/browser-log-writer": "^1.1.5",
     "@stevebel/png": "^1.5.1",
+    "compare-versions": "^6.1.0",
     "dateformat": "^5.0.3",
     "formik": "^2.4.3",
     "framer-motion": "^10.16.1",

invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/index.ts

@@ -84,6 +84,7 @@ import { addUserInvokedCanvasListener } from './listeners/userInvokedCanvas';
 import { addUserInvokedImageToImageListener } from './listeners/userInvokedImageToImage';
 import { addUserInvokedNodesListener } from './listeners/userInvokedNodes';
 import { addUserInvokedTextToImageListener } from './listeners/userInvokedTextToImage';
+import { addWorkflowLoadedListener } from './listeners/workflowLoaded';
 
 export const listenerMiddleware = createListenerMiddleware();
 
@@ -202,6 +203,9 @@ addBoardIdSelectedListener();
 // Node schemas
 addReceivedOpenAPISchemaListener();
 
+// Workflows
+addWorkflowLoadedListener();
+
 // DND
 addImageDroppedListener();
 

invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/listeners/workflowLoaded.ts

@@ -0,0 +1,55 @@
+import { logger } from 'app/logging/logger';
+import { workflowLoadRequested } from 'features/nodes/store/actions';
+import { workflowLoaded } from 'features/nodes/store/nodesSlice';
+import { $flow } from 'features/nodes/store/reactFlowInstance';
+import { validateWorkflow } from 'features/nodes/util/validateWorkflow';
+import { addToast } from 'features/system/store/systemSlice';
+import { makeToast } from 'features/system/util/makeToast';
+import { setActiveTab } from 'features/ui/store/uiSlice';
+import { startAppListening } from '..';
+
+export const addWorkflowLoadedListener = () => {
+  startAppListening({
+    actionCreator: workflowLoadRequested,
+    effect: (action, { dispatch, getState }) => {
+      const log = logger('nodes');
+      const workflow = action.payload;
+      const nodeTemplates = getState().nodes.nodeTemplates;
+
+      const { workflow: validatedWorkflow, errors } = validateWorkflow(
+        workflow,
+        nodeTemplates
+      );
+
+      dispatch(workflowLoaded(validatedWorkflow));
+
+      if (!errors.length) {
+        dispatch(
+          addToast(
+            makeToast({
+              title: 'Workflow Loaded',
+              status: 'success',
+            })
+          )
+        );
+      } else {
+        dispatch(
+          addToast(
+            makeToast({
+              title: 'Workflow Loaded with Warnings',
+              status: 'warning',
+            })
+          )
+        );
+        errors.forEach(({ message, ...rest }) => {
+          log.warn(rest, message);
+        });
+      }
+
+      dispatch(setActiveTab('nodes'));
+      requestAnimationFrame(() => {
+        $flow.get()?.fitView();
+      });
+    },
+  });
+};

invokeai/frontend/web/src/features/gallery/components/CurrentImage/CurrentImageButtons.tsx

@@ -17,16 +17,13 @@ import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
 import IAIIconButton from 'common/components/IAIIconButton';
 import { DeleteImageButton } from 'features/deleteImageModal/components/DeleteImageButton';
 import { imagesToDeleteSelected } from 'features/deleteImageModal/store/slice';
-import { workflowLoaded } from 'features/nodes/store/nodesSlice';
+import { workflowLoadRequested } from 'features/nodes/store/actions';
 import ParamUpscalePopover from 'features/parameters/components/Parameters/Upscale/ParamUpscaleSettings';
 import { useRecallParameters } from 'features/parameters/hooks/useRecallParameters';
 import { initialImageSelected } from 'features/parameters/store/actions';
 import { useFeatureStatus } from 'features/system/hooks/useFeatureStatus';
-import { addToast } from 'features/system/store/systemSlice';
-import { makeToast } from 'features/system/util/makeToast';
 import { activeTabNameSelector } from 'features/ui/store/uiSelectors';
 import {
-  setActiveTab,
   setShouldShowImageDetails,
   setShouldShowProgressInViewer,
 } from 'features/ui/store/uiSlice';
@@ -124,16 +121,7 @@ const CurrentImageButtons = (props: CurrentImageButtonsProps) => {
     if (!workflow) {
       return;
     }
-    dispatch(workflowLoaded(workflow));
+    dispatch(workflowLoadRequested(workflow));
-    dispatch(setActiveTab('nodes'));
-    dispatch(
-      addToast(
-        makeToast({
-          title: 'Workflow Loaded',
-          status: 'success',
-        })
-      )
-    );
   }, [dispatch, workflow]);
 
   const handleClickUseAllParameters = useCallback(() => {

invokeai/frontend/web/src/features/gallery/components/ImageContextMenu/SingleSelectionMenuItems.tsx

@@ -7,12 +7,9 @@ import {
   isModalOpenChanged,
 } from 'features/changeBoardModal/store/slice';
 import { imagesToDeleteSelected } from 'features/deleteImageModal/store/slice';
-import { workflowLoaded } from 'features/nodes/store/nodesSlice';
 import { useRecallParameters } from 'features/parameters/hooks/useRecallParameters';
 import { initialImageSelected } from 'features/parameters/store/actions';
 import { useFeatureStatus } from 'features/system/hooks/useFeatureStatus';
-import { addToast } from 'features/system/store/systemSlice';
-import { makeToast } from 'features/system/util/makeToast';
 import { useCopyImageToClipboard } from 'features/ui/hooks/useCopyImageToClipboard';
 import { setActiveTab } from 'features/ui/store/uiSlice';
 import { memo, useCallback } from 'react';
@@ -36,6 +33,7 @@ import {
 } from 'services/api/endpoints/images';
 import { ImageDTO } from 'services/api/types';
 import { sentImageToCanvas, sentImageToImg2Img } from '../../store/actions';
+import { workflowLoadRequested } from 'features/nodes/store/actions';
 
 type SingleSelectionMenuItemsProps = {
   imageDTO: ImageDTO;
@@ -102,16 +100,7 @@ const SingleSelectionMenuItems = (props: SingleSelectionMenuItemsProps) => {
     if (!workflow) {
       return;
     }
-    dispatch(workflowLoaded(workflow));
+    dispatch(workflowLoadRequested(workflow));
-    dispatch(setActiveTab('nodes'));
-    dispatch(
-      addToast(
-        makeToast({
-          title: 'Workflow Loaded',
-          status: 'success',
-        })
-      )
-    );
   }, [dispatch, workflow]);
 
   const handleSendToImageToImage = useCallback(() => {

invokeai/frontend/web/src/features/nodes/components/flow/Flow.tsx

@@ -3,6 +3,7 @@ import { createSelector } from '@reduxjs/toolkit';
 import { stateSelector } from 'app/store/store';
 import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
 import { defaultSelectorOptions } from 'app/store/util/defaultMemoizeOptions';
+import { $flow } from 'features/nodes/store/reactFlowInstance';
 import { contextMenusClosed } from 'features/ui/store/uiSlice';
 import { useCallback } from 'react';
 import { useHotkeys } from 'react-hotkeys-hook';
@@ -13,6 +14,7 @@ import {
   OnConnectStart,
   OnEdgesChange,
   OnEdgesDelete,
+  OnInit,
   OnMoveEnd,
   OnNodesChange,
   OnNodesDelete,
@@ -147,6 +149,11 @@ export const Flow = () => {
     dispatch(contextMenusClosed());
   }, [dispatch]);
 
+  const onInit: OnInit = useCallback((flow) => {
+    $flow.set(flow);
+    flow.fitView();
+  }, []);
+
   useHotkeys(['Ctrl+c', 'Meta+c'], (e) => {
     e.preventDefault();
     dispatch(selectionCopied());
@@ -170,6 +177,7 @@ export const Flow = () => {
       edgeTypes={edgeTypes}
       nodes={nodes}
       edges={edges}
+      onInit={onInit}
       onNodesChange={onNodesChange}
       onEdgesChange={onEdgesChange}
       onEdgesDelete={onEdgesDelete}

invokeai/frontend/web/src/features/nodes/components/flow/nodes/Invocation/InvocationNodeNotes.tsx

@@ -12,6 +12,7 @@ import {
   Tooltip,
   useDisclosure,
 } from '@chakra-ui/react';
+import { compare } from 'compare-versions';
 import { useNodeData } from 'features/nodes/hooks/useNodeData';
 import { useNodeLabel } from 'features/nodes/hooks/useNodeLabel';
 import { useNodeTemplate } from 'features/nodes/hooks/useNodeTemplate';
@@ -20,6 +21,7 @@ import { isInvocationNodeData } from 'features/nodes/types/types';
 import { memo, useMemo } from 'react';
 import { FaInfoCircle } from 'react-icons/fa';
 import NotesTextarea from './NotesTextarea';
+import { useDoNodeVersionsMatch } from 'features/nodes/hooks/useDoNodeVersionsMatch';
 
 interface Props {
   nodeId: string;
@@ -29,6 +31,7 @@ const InvocationNodeNotes = ({ nodeId }: Props) => {
   const { isOpen, onOpen, onClose } = useDisclosure();
   const label = useNodeLabel(nodeId);
   const title = useNodeTemplateTitle(nodeId);
+  const doVersionsMatch = useDoNodeVersionsMatch(nodeId);
 
   return (
     <>
@@ -50,7 +53,11 @@ const InvocationNodeNotes = ({ nodeId }: Props) => {
         >
           <Icon
             as={FaInfoCircle}
-            sx={{ boxSize: 4, w: 8, color: 'base.400' }}
+            sx={{
+              boxSize: 4,
+              w: 8,
+              color: doVersionsMatch ? 'base.400' : 'error.400',
+            }}
           />
         </Flex>
       </Tooltip>
@@ -92,16 +99,59 @@ const TooltipContent = memo(({ nodeId }: { nodeId: string }) => {
     return 'Unknown Node';
   }, [data, nodeTemplate]);
 
+  const versionComponent = useMemo(() => {
+    if (!isInvocationNodeData(data) || !nodeTemplate) {
+      return null;
+    }
+
+    if (!data.version) {
+      return (
+        <Text as="span" sx={{ color: 'error.500' }}>
+          Version unknown
+        </Text>
+      );
+    }
+
+    if (!nodeTemplate.version) {
+      return (
+        <Text as="span" sx={{ color: 'error.500' }}>
+          Version {data.version} (unknown template)
+        </Text>
+      );
+    }
+
+    if (compare(data.version, nodeTemplate.version, '<')) {
+      return (
+        <Text as="span" sx={{ color: 'error.500' }}>
+          Version {data.version} (update node)
+        </Text>
+      );
+    }
+
+    if (compare(data.version, nodeTemplate.version, '>')) {
+      return (
+        <Text as="span" sx={{ color: 'error.500' }}>
+          Version {data.version} (update app)
+        </Text>
+      );
+    }
+
+    return <Text as="span">Version {data.version}</Text>;
+  }, [data, nodeTemplate]);
+
   if (!isInvocationNodeData(data)) {
     return <Text sx={{ fontWeight: 600 }}>Unknown Node</Text>;
   }
 
   return (
     <Flex sx={{ flexDir: 'column' }}>
-      <Text sx={{ fontWeight: 600 }}>{title}</Text>
+      <Text as="span" sx={{ fontWeight: 600 }}>
+        {title}
+      </Text>
       <Text sx={{ opacity: 0.7, fontStyle: 'oblique 5deg' }}>
         {nodeTemplate?.description}
       </Text>
+      {versionComponent}
       {data?.notes && <Text>{data.notes}</Text>}
     </Flex>
   );

invokeai/frontend/web/src/features/nodes/hooks/useBuildNodeData.ts

@@ -138,13 +138,14 @@ export const useBuildNodeData = () => {
         data: {
           id: nodeId,
           type,
-          inputs,
+          version: template.version,
-          outputs,
-          isOpen: true,
           label: '',
           notes: '',
+          isOpen: true,
           embedWorkflow: false,
           isIntermediate: true,
+          inputs,
+          outputs,
         },
       };
 

invokeai/frontend/web/src/features/nodes/hooks/useDoNodeVersionsMatch.ts

@@ -0,0 +1,33 @@
+import { createSelector } from '@reduxjs/toolkit';
+import { stateSelector } from 'app/store/store';
+import { useAppSelector } from 'app/store/storeHooks';
+import { defaultSelectorOptions } from 'app/store/util/defaultMemoizeOptions';
+import { compareVersions } from 'compare-versions';
+import { useMemo } from 'react';
+import { isInvocationNode } from '../types/types';
+
+export const useDoNodeVersionsMatch = (nodeId: string) => {
+  const selector = useMemo(
+    () =>
+      createSelector(
+        stateSelector,
+        ({ nodes }) => {
+          const node = nodes.nodes.find((node) => node.id === nodeId);
+          if (!isInvocationNode(node)) {
+            return false;
+          }
+          const nodeTemplate = nodes.nodeTemplates[node?.data.type ?? ''];
+          if (!nodeTemplate?.version || !node.data?.version) {
+            return false;
+          }
+          return compareVersions(nodeTemplate.version, node.data.version) === 0;
+        },
+        defaultSelectorOptions
+      ),
+    [nodeId]
+  );
+
+  const nodeTemplate = useAppSelector(selector);
+
+  return nodeTemplate;
+};

invokeai/frontend/web/src/features/nodes/hooks/useLoadWorkflowFromFile.tsx

@@ -2,13 +2,13 @@ import { ListItem, Text, UnorderedList } from '@chakra-ui/react';
 import { useLogger } from 'app/logging/useLogger';
 import { useAppDispatch } from 'app/store/storeHooks';
 import { parseify } from 'common/util/serialize';
-import { workflowLoaded } from 'features/nodes/store/nodesSlice';
+import { zWorkflow } from 'features/nodes/types/types';
-import { zValidatedWorkflow } from 'features/nodes/types/types';
 import { addToast } from 'features/system/store/systemSlice';
 import { makeToast } from 'features/system/util/makeToast';
 import { memo, useCallback } from 'react';
 import { ZodError } from 'zod';
 import { fromZodError, fromZodIssue } from 'zod-validation-error';
+import { workflowLoadRequested } from '../store/actions';
 
 export const useLoadWorkflowFromFile = () => {
   const dispatch = useAppDispatch();
@@ -24,7 +24,7 @@ export const useLoadWorkflowFromFile = () => {
 
         try {
           const parsedJSON = JSON.parse(String(rawJSON));
-          const result = zValidatedWorkflow.safeParse(parsedJSON);
+          const result = zWorkflow.safeParse(parsedJSON);
 
           if (!result.success) {
             const { message } = fromZodError(result.error, {
@@ -45,32 +45,8 @@ export const useLoadWorkflowFromFile = () => {
             reader.abort();
             return;
           }
-          dispatch(workflowLoaded(result.data.workflow));
 
-          if (!result.data.warnings.length) {
+          dispatch(workflowLoadRequested(result.data));
-            dispatch(
-              addToast(
-                makeToast({
-                  title: 'Workflow Loaded',
-                  status: 'success',
-                })
-              )
-            );
-            reader.abort();
-            return;
-          }
-
-          dispatch(
-            addToast(
-              makeToast({
-                title: 'Workflow Loaded with Warnings',
-                status: 'warning',
-              })
-            )
-          );
-          result.data.warnings.forEach(({ message, ...rest }) => {
-            logger.warn(rest, message);
-          });
 
           reader.abort();
         } catch {

invokeai/frontend/web/src/features/nodes/store/actions.ts

@@ -1,5 +1,6 @@
 import { createAction, isAnyOf } from '@reduxjs/toolkit';
 import { Graph } from 'services/api/types';
+import { Workflow } from '../types/types';
 
 export const textToImageGraphBuilt = createAction<Graph>(
   'nodes/textToImageGraphBuilt'
@@ -16,3 +17,7 @@ export const isAnyGraphBuilt = isAnyOf(
   canvasGraphBuilt,
   nodesGraphBuilt
 );
+
+export const workflowLoadRequested = createAction<Workflow>(
+  'nodes/workflowLoadRequested'
+);

invokeai/frontend/web/src/features/nodes/store/reactFlowInstance.ts

@@ -0,0 +1,4 @@
+import { atom } from 'nanostores';
+import { ReactFlowInstance } from 'reactflow';
+
+export const $flow = atom<ReactFlowInstance | null>(null);

invokeai/frontend/web/src/features/nodes/types/types.ts

@@ -52,6 +52,10 @@ export type InvocationTemplate = {
    * The type of this node's output
    */
   outputType: string; // TODO: generate a union of output types
+  /**
+   * The invocation's version.
+   */
+  version?: string;
 };
 
 export type FieldUIConfig = {
@@ -962,6 +966,7 @@ export type InvocationSchemaExtra = {
   title: string;
   category?: string;
   tags?: string[];
+  version?: string;
   properties: Omit<
     NonNullable<OpenAPIV3.SchemaObject['properties']> &
       (_InputField | _OutputField),
@@ -1095,6 +1100,29 @@ export const zCoreMetadata = z
 
 export type CoreMetadata = z.infer<typeof zCoreMetadata>;
 
+export const zSemVer = z.string().refine((val) => {
+  const [major, minor, patch] = val.split('.');
+  return (
+    major !== undefined &&
+    Number.isInteger(Number(major)) &&
+    minor !== undefined &&
+    Number.isInteger(Number(minor)) &&
+    patch !== undefined &&
+    Number.isInteger(Number(patch))
+  );
+});
+
+export const zParsedSemver = zSemVer.transform((val) => {
+  const [major, minor, patch] = val.split('.');
+  return {
+    major: Number(major),
+    minor: Number(minor),
+    patch: Number(patch),
+  };
+});
+
+export type SemVer = z.infer<typeof zSemVer>;
+
 export const zInvocationNodeData = z.object({
   id: z.string().trim().min(1),
   // no easy way to build this dynamically, and we don't want to anyways, because this will be used
@@ -1107,6 +1135,7 @@ export const zInvocationNodeData = z.object({
   notes: z.string(),
   embedWorkflow: z.boolean(),
   isIntermediate: z.boolean(),
+  version: zSemVer.optional(),
 });
 
 // Massage this to get better type safety while developing
@@ -1195,20 +1224,6 @@ export const zFieldIdentifier = z.object({
 
 export type FieldIdentifier = z.infer<typeof zFieldIdentifier>;
 
-export const zSemVer = z.string().refine((val) => {
-  const [major, minor, patch] = val.split('.');
-  return (
-    major !== undefined &&
-    minor !== undefined &&
-    patch !== undefined &&
-    Number.isInteger(Number(major)) &&
-    Number.isInteger(Number(minor)) &&
-    Number.isInteger(Number(patch))
-  );
-});
-
-export type SemVer = z.infer<typeof zSemVer>;
-
 export type WorkflowWarning = {
   message: string;
   issues: string[];

invokeai/frontend/web/src/features/nodes/util/parseSchema.ts

@@ -73,6 +73,7 @@ export const parseSchema = (
     const title = schema.title.replace('Invocation', '');
     const tags = schema.tags ?? [];
     const description = schema.description ?? '';
+    const version = schema.version ?? '';
 
     const inputs = reduce(
       schema.properties,
@@ -225,11 +226,12 @@ export const parseSchema = (
     const invocation: InvocationTemplate = {
       title,
       type,
+      version,
       tags,
       description,
+      outputType,
       inputs,
       outputs,
-      outputType,
     };
 
     Object.assign(invocationsAccumulator, { [type]: invocation });

invokeai/frontend/web/src/features/nodes/util/validateWorkflow.ts

@@ -0,0 +1,96 @@
+import { compareVersions } from 'compare-versions';
+import { cloneDeep, keyBy } from 'lodash-es';
+import {
+  InvocationTemplate,
+  Workflow,
+  WorkflowWarning,
+  isWorkflowInvocationNode,
+} from '../types/types';
+import { parseify } from 'common/util/serialize';
+
+export const validateWorkflow = (
+  workflow: Workflow,
+  nodeTemplates: Record<string, InvocationTemplate>
+) => {
+  const clone = cloneDeep(workflow);
+  const { nodes, edges } = clone;
+  const errors: WorkflowWarning[] = [];
+  const invocationNodes = nodes.filter(isWorkflowInvocationNode);
+  const keyedNodes = keyBy(invocationNodes, 'id');
+  nodes.forEach((node) => {
+    if (!isWorkflowInvocationNode(node)) {
+      return;
+    }
+
+    const nodeTemplate = nodeTemplates[node.data.type];
+    if (!nodeTemplate) {
+      errors.push({
+        message: `Node "${node.data.type}" skipped`,
+        issues: [`Node type "${node.data.type}" does not exist`],
+        data: node,
+      });
+      return;
+    }
+
+    if (
+      nodeTemplate.version &&
+      node.data.version &&
+      compareVersions(nodeTemplate.version, node.data.version) !== 0
+    ) {
+      errors.push({
+        message: `Node "${node.data.type}" has mismatched version`,
+        issues: [
+          `Node "${node.data.type}" v${node.data.version} may be incompatible with installed v${nodeTemplate.version}`,
+        ],
+        data: { node, nodeTemplate: parseify(nodeTemplate) },
+      });
+      return;
+    }
+  });
+  edges.forEach((edge, i) => {
+    const sourceNode = keyedNodes[edge.source];
+    const targetNode = keyedNodes[edge.target];
+    const issues: string[] = [];
+    if (!sourceNode) {
+      issues.push(`Output node ${edge.source} does not exist`);
+    } else if (
+      edge.type === 'default' &&
+      !(edge.sourceHandle in sourceNode.data.outputs)
+    ) {
+      issues.push(
+        `Output field "${edge.source}.${edge.sourceHandle}" does not exist`
+      );
+    }
+    if (!targetNode) {
+      issues.push(`Input node ${edge.target} does not exist`);
+    } else if (
+      edge.type === 'default' &&
+      !(edge.targetHandle in targetNode.data.inputs)
+    ) {
+      issues.push(
+        `Input field "${edge.target}.${edge.targetHandle}" does not exist`
+      );
+    }
+    if (!nodeTemplates[sourceNode?.data.type ?? '__UNKNOWN_NODE_TYPE__']) {
+      issues.push(
+        `Source node "${edge.source}" missing template "${sourceNode?.data.type}"`
+      );
+    }
+    if (!nodeTemplates[targetNode?.data.type ?? '__UNKNOWN_NODE_TYPE__']) {
+      issues.push(
+        `Source node "${edge.target}" missing template "${targetNode?.data.type}"`
+      );
+    }
+    if (issues.length) {
+      delete edges[i];
+      const src = edge.type === 'default' ? edge.sourceHandle : edge.source;
+      const tgt = edge.type === 'default' ? edge.targetHandle : edge.target;
+      errors.push({
+        message: `Edge "${src} -> ${tgt}" skipped`,
+        issues,
+        data: edge,
+      });
+    }
+  });
+  return { workflow: clone, errors };
+};

invokeai/frontend/web/src/services/api/schema.d.ts

@@ -6981,6 +6981,11 @@ export type components = {
        * @description The node's category
        */
       category?: string;
+      /**
+       * Version
+       * @description The node's version. Should be a valid semver string e.g. "1.0.0" or "3.8.13".
+       */
+      version?: string;
     };
     /**
      * Input
@@ -7036,24 +7041,12 @@ export type components = {
       /** Ui Order */
       ui_order?: number;
     };
-    /**
-     * StableDiffusionOnnxModelFormat
-     * @description An enumeration.
-     * @enum {string}
-     */
-    StableDiffusionOnnxModelFormat: "olive" | "onnx";
     /**
      * StableDiffusion1ModelFormat
      * @description An enumeration.
      * @enum {string}
      */
     StableDiffusion1ModelFormat: "checkpoint" | "diffusers";
-    /**
-     * ControlNetModelFormat
-     * @description An enumeration.
-     * @enum {string}
-     */
-    ControlNetModelFormat: "checkpoint" | "diffusers";
     /**
      * StableDiffusionXLModelFormat
      * @description An enumeration.
@@ -7066,6 +7059,18 @@ export type components = {
      * @enum {string}
      */
     StableDiffusion2ModelFormat: "checkpoint" | "diffusers";
+    /**
+     * ControlNetModelFormat
+     * @description An enumeration.
+     * @enum {string}
+     */
+    ControlNetModelFormat: "checkpoint" | "diffusers";
+    /**
+     * StableDiffusionOnnxModelFormat
+     * @description An enumeration.
+     * @enum {string}
+     */
+    StableDiffusionOnnxModelFormat: "olive" | "onnx";
   };
   responses: never;
   parameters: never;

invokeai/frontend/web/yarn.lock

@@ -2970,6 +2970,11 @@ commondir@^1.0.1:
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
   integrity sha512-W9pAhw0ja1Edb5GVdIF1mjZw/ASI0AlShXM83UUGe2DVr5TdAPEA1OA8m/g8zWp9x6On7gqufY+FatDbC3MDQg==
 
+compare-versions@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-6.1.0.tgz#3f2131e3ae93577df111dba133e6db876ffe127a"
+  integrity sha512-LNZQXhqUvqUTotpZ00qLSaify3b4VFD588aRr8MKFw4CMUr98ytzCW5wDH5qx/DEY5kCDXcbcRuCqL0szEf2tg==
+
 compute-scroll-into-view@1.0.20:
   version "1.0.20"
   resolved "https://registry.yarnpkg.com/compute-scroll-into-view/-/compute-scroll-into-view-1.0.20.tgz#1768b5522d1172754f5d0c9b02de3af6be506a43"

pyproject.toml

@@ -74,6 +74,7 @@ dependencies = [
   "rich~=13.3",
   "safetensors==0.3.1",
   "scikit-image~=0.21.0",
+  "semver~=3.0.1",
   "send2trash",
   "test-tube~=0.7.5",
   "torch~=2.0.1",

tests/nodes/test_node_graph.py

@@ -1,4 +1,10 @@
-from invokeai.app.invocations.baseinvocation import BaseInvocation, BaseInvocationOutput, invocation, invocation_output
+from invokeai.app.invocations.baseinvocation import (
+    BaseInvocation,
+    BaseInvocationOutput,
+    InvalidVersionError,
+    invocation,
+    invocation_output,
+)
 from .test_nodes import (
     ImageToImageTestInvocation,
     TextToImageTestInvocation,
@@ -616,18 +622,38 @@ def test_invocation_decorator():
     title = "Test Invocation"
     tags = ["first", "second", "third"]
     category = "category"
+    version = "1.2.3"
 
-    @invocation(invocation_type, title=title, tags=tags, category=category)
+    @invocation(invocation_type, title=title, tags=tags, category=category, version=version)
-    class Test(BaseInvocation):
+    class TestInvocation(BaseInvocation):
         def invoke(self):
             pass
 
-    schema = Test.schema()
+    schema = TestInvocation.schema()
 
     assert schema.get("title") == title
     assert schema.get("tags") == tags
     assert schema.get("category") == category
-    assert Test(id="1").type == invocation_type  # type: ignore (type is dynamically added)
+    assert schema.get("version") == version
+    assert TestInvocation(id="1").type == invocation_type  # type: ignore (type is dynamically added)
+
+
+def test_invocation_version_must_be_semver():
+    invocation_type = "test_invocation"
+    valid_version = "1.0.0"
+    invalid_version = "not_semver"
+
+    @invocation(invocation_type, version=valid_version)
+    class ValidVersionInvocation(BaseInvocation):
+        def invoke(self):
+            pass
+
+    with pytest.raises(InvalidVersionError):
+
+        @invocation(invocation_type, version=invalid_version)
+        class InvalidVersionInvocation(BaseInvocation):
+            def invoke(self):
+                pass
 
 
 def test_invocation_output_decorator():