Yeah, I saw those too but I don't know what they mean.
Anyway, I think I nailed it. The problem is this:
https://github.com/geany/geany-osx/commit/a7236208827453dc83bcb943b0db686ee9...
I've reuploaded the snapshot here https://download.geany.org/snapshots/geany-1.36_osx.dmg and I believe it will fix the problem for you. I don't think that what we did before was wrong, it's just that Catalina doesn't like it.