On 27 Jun 2019, at 7:42, feek wrote:

I do not use any beta of Catalina, but I saw this post
https://leancrew.com/all-this/2019/06/deprecating-scripting/ and
https://brettterpstra.com/2019/06/26/on-scripting-runtimes-and-macos/

Will this break most of TM features?

Currently Apple has only announced the scripting languages have been deprecated, but they are still available on 10.15.

If Apple actually removes them then yes, it will break a lot of stuff, not just TextMate.