- Detect when install failed for some reason and print helpful error
message rather than stack trace.
- Detect window size and resize to minimum acceptable values to provide
better display of configure and install forms.
- Corrected error that caused --full-precision argument to be ignored
when models downloaded using the --yes argument.
- Improved autodetection of v1 inpainting files; no longer relies on the
file having 'inpaint' in the name.
- quashed multiple bugs in model conversion and importing
- found old issue in handling of resume of interrupted downloads
- will require extensive testing
