Version 3.1 is broken for 1.35.x on PHP 7.4.x since links like [[#Foo|Foo]] are not shown. Updating to the current master fixes this issue. It will be cool to get the 3.2 already announced on Special:Version. Thanks and cheers
Topic on Extension talk:Display Title
I'm working through my backlog of extensions and hope to get to DisplayTitle soon :-)
No problem at all. I understand the situation and appreciate your work.