What's Changed

• Fix typo in input.py by @wwwillchen in https://github.com/google/mesop/pull/830
• Migrates ai/docbot to uv to manage dependencies by @wwwillchen in https://github.com/google/mesop/pull/832
• install uv (instead of pip install) for deploying docbot on GitHub actions by @wwwillchen in https://github.com/google/mesop/pull/833
• Add more style properties by @wwwillchen in https://github.com/google/mesop/pull/831
• Support functools.partial for event handlers by @wwwillchen in https://github.com/google/mesop/pull/789
• Fix pyproject.toml so docbot can build with uv by @wwwillchen in https://github.com/google/mesop/pull/834
• Export create_wsgi_app so Mesop apps can be mounted to other servers by @wwwillchen in https://github.com/google/mesop/pull/835
• Create autocomplete for editor toolbar by @wwwillchen in https://github.com/google/mesop/pull/836
• Stream generate response to UI by @wwwillchen in https://github.com/google/mesop/pull/837
• Fix docbot deployment by @wwwillchen in https://github.com/google/mesop/pull/839
• Fix docbot by using pre-uv commands by @wwwillchen in https://github.com/google/mesop/pull/843
• Fix docbot Dockerfile by @wwwillchen in https://github.com/google/mesop/pull/845
• Add hotkeys and async action web component examples. by @richard-to in https://github.com/google/mesop/pull/846
• Remove use of 100vh from chat component by @richard-to in https://github.com/google/mesop/pull/841
• Adds app url for mesop app maker. by @richard-to in https://github.com/google/mesop/pull/842
• Editor toolbar: scope prompt to specific component by @wwwillchen in https://github.com/google/mesop/pull/850
• Make pip.sh faster with uv and easier to use with explicit steps by @wwwillchen in https://github.com/google/mesop/pull/851
• Add ~20 fine-tuning examples and switch to new ft model by @wwwillchen in https://github.com/google/mesop/pull/853
• Fix selected component logic in editor toolbar by @wwwillchen in https://github.com/google/mesop/pull/856
• Show progress bar in editor toolbar progress dialog & change dialog title by @wwwillchen in https://github.com/google/mesop/pull/857
• Persist prompt interactions into sessionStorage by @wwwillchen in https://github.com/google/mesop/pull/858
• Prevent user from sending another prompt while one is in progress by @wwwillchen in https://github.com/google/mesop/pull/859
• Require prompt minimum length (4 chars) by @wwwillchen in https://github.com/google/mesop/pull/860
• Propagate and display error messages for editor toolbar services by @wwwillchen in https://github.com/google/mesop/pull/861
• Fix heuristics in get_app_caller_source_code_location by @wwwillchen in https://github.com/google/mesop/pull/862
• Fix dark theme for code mirror by @wwwillchen in https://github.com/google/mesop/pull/863
• Use smaller prompt context for new ft model by @wwwillchen in https://github.com/google/mesop/pull/867
• Automate showcase deployment by @wwwillchen in https://github.com/google/mesop/pull/873
• Fix showcase deployment script by @wwwillchen in https://github.com/google/mesop/pull/875
• Fix deployment script for showcase by @wwwillchen in https://github.com/google/mesop/pull/877
• Refactor ai/ to share code between service & scripts by @wwwillchen in https://github.com/google/mesop/pull/874
• Show toolbar expanded by default by @wwwillchen in https://github.com/google/mesop/pull/880
• Fix evaluate_run.py after refactoring by @wwwillchen in https://github.com/google/mesop/pull/884
• Polish editor toolbar and AI service by @wwwillchen in https://github.com/google/mesop/pull/885
• Plumb experimental editor toolbar env var to client-side by @wwwillchen in https://github.com/google/mesop/pull/879
• Style API tweaks by @wwwillchen in https://github.com/google/mesop/pull/881
• Clean up printing for experiments by @wwwillchen in https://github.com/google/mesop/pull/889
• Bump to v0.12.3 and clean-up scripts & docs by @wwwillchen in https://github.com/google/mesop/pull/890

Full Changelog: https://github.com/google/mesop/compare/v0.12.2...v0.12.3