From https://github.com/microsoft/vscode-pull-request-github/issues/3251#issuecomment-1220420760 `tsx`: Issues and mentions not working `html`: Issues not working `yml`: Issues not working   All of the files are inside the repository. No symlinks or submodules or whatsoever.
From #3251 (comment)
tsx: Issues and mentions not workinghtml: Issues not workingyml: Issues not workingAll of the files are inside the repository. No symlinks or submodules or whatsoever.