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*Released 2021-11-08*
This is the technical changelog for version 13.8. More elaborate release notes can be found in the news channel [pythontelegrambotchannel](https://t.me/pythontelegrambotchannel).
**Major Changes:**
- Full support for API 5.4 (2767)
**Minor changes, CI improvements, Doc fixes and Type hinting:**
- Create Issue Template Forms (2689)
- Fix `camelCase` Functions in `ExtBot` (2659)
- Fix Empty Captions not Being Passed by `Bot.copy_message` (2651)
- Fix Setting Thumbs When Uploading A Single File (2583)
- Fix Bug in `BasePersistence.insert`/`replace_bot` for Objects with `__dict__` not in `__slots__` (2603)