Breaking Changes

• Python Version: This release requires Python 3.9 or higher. Please ensure you're using a compatible Python version before upgrading.
• Containerized Deployments: If you're using containerized deployments, you may need to specify --host 0.0.0.0 for your container to work correctly with the new security changes.

What's Changed

• add css class based on active theme by @haskinsjg in https://github.com/Chainlit/chainlit/pull/1201
• Ignore missing type stubs in Azure datalake. by @dokterbob in https://github.com/Chainlit/chainlit/pull/1197
• fix: lc callback by @willydouhard in https://github.com/Chainlit/chainlit/pull/1203
• Stop ignoring poetry lockfile. #1190 by @dokterbob in https://github.com/Chainlit/chainlit/pull/1191
• Black isort as dev deps in pyproject.toml by @dokterbob in https://github.com/Chainlit/chainlit/pull/1217
• Unbreak the build by @dokterbob in https://github.com/Chainlit/chainlit/pull/1236
• fix: edit_message in correct place in config.toml by @EWouters in https://github.com/Chainlit/chainlit/pull/1218
• #1178 Fix AttributeError: 'ChatCompletionChunk' object has no attribute 'get' by @dvquy13 in https://github.com/Chainlit/chainlit/pull/1229
• Python unittest structure by @dokterbob in https://github.com/Chainlit/chainlit/pull/1245
• Gracefully handle HTTP errors when sending steps by @oshoma in https://github.com/Chainlit/chainlit/pull/1248
• Cleanup Python 3.9 by @EWouters in https://github.com/Chainlit/chainlit/pull/1250
• modify config.py by @raihanou1 in https://github.com/Chainlit/chainlit/pull/861
• Adding CHAINLIT_APP_ROOT to modify APP_ROOT by @MervinPraison in https://github.com/Chainlit/chainlit/pull/1259
• fix: resolve #828 by updating websocket's thread id header with currentThreadId to ensure session continuation after backend restart by @qtangs in https://github.com/Chainlit/chainlit/pull/996
• Various improvements in tests/CI by @dokterbob in https://github.com/Chainlit/chainlit/pull/1271
• Data layer refactor/cleanup by @dokterbob in https://github.com/Chainlit/chainlit/pull/1277
• Revert "Data layer refactor/cleanup" by @dokterbob in https://github.com/Chainlit/chainlit/pull/1287
• Changelog for version 1.2.0. by @dokterbob in https://github.com/Chainlit/chainlit/pull/1289
• Fix publish workflow. by @dokterbob in https://github.com/Chainlit/chainlit/pull/1299
• Correct 1.2.0 release date in changelog by @dokterbob in https://github.com/Chainlit/chainlit/pull/1297
• Fix publishworkflow again by @dokterbob in https://github.com/Chainlit/chainlit/pull/1300
• Update pyproject with correct package version. by @dokterbob in https://github.com/Chainlit/chainlit/pull/1302

New Contributors

• @haskinsjg made their first contribution in https://github.com/Chainlit/chainlit/pull/1201
• @dokterbob made their first contribution in https://github.com/Chainlit/chainlit/pull/1197
• @EWouters made their first contribution in https://github.com/Chainlit/chainlit/pull/1218
• @dvquy13 made their first contribution in https://github.com/Chainlit/chainlit/pull/1229
• @oshoma made their first contribution in https://github.com/Chainlit/chainlit/pull/1248
• @raihanou1 made their first contribution in https://github.com/Chainlit/chainlit/pull/861
• @MervinPraison made their first contribution in https://github.com/Chainlit/chainlit/pull/1259

Full Changelog: https://github.com/Chainlit/chainlit/compare/1.1.402...1.1.404