What's Changed
* Initial support for converting FunctionCalls to SQL by mkornacker in https://github.com/pixeltable/pixeltable/pull/278
* Computed columns tutorial by aaron-siegel in https://github.com/pixeltable/pixeltable/pull/275
* Time Zone Support by aaron-siegel in https://github.com/pixeltable/pixeltable/pull/250
* Type-checking correctness for `catalog`, `functions`, and `ext` packages by aaron-siegel in https://github.com/pixeltable/pixeltable/pull/277
* Make `mistune` an optional dependency by aaron-siegel in https://github.com/pixeltable/pixeltable/pull/282
* Fix circularity in DB migration for schema version 19 -> 20 by aaron-siegel in https://github.com/pixeltable/pixeltable/pull/283
* Doc fix by mkornacker in https://github.com/pixeltable/pixeltable/pull/286
* Mistral AI Integration by aaron-siegel in https://github.com/pixeltable/pixeltable/pull/284
**Full Changelog**: https://github.com/pixeltable/pixeltable/compare/v0.2.17...v0.2.18