Prepare for 0.27.0 - Githubissues

[X] I made sure that there are no existing issues - open or closed - which I could contribute my information to.
[X] I have read the FAQ and my problem isn't listed.
[X] I'm aware that this is a request for NewPipe itself and that requests for adding a new service need to be made at NewPipeExtractor.
[X] I have taken the time to fill in all the required details. I understand that the feature request will be dismissed otherwise.
[X] This issue contains only one feature request.
[X] I have read and understood the contribution guidelines.

To reduce friction between upstream releases, prepare changes beforehand. 0.27.0 is almost ready for release.

Fixes Potential bugs in older build.

XilinJia / NewPipeX