I'm not completely sure whether the file will work, it might produce an error on startup. My Windows build environment changed since the 1.38 release a bit, so it might not be compatible anymore.
[issue1194_treebrowser.zip](https://github.com/geany/geany-plugins/files/9542881/issue1194_treebrowser.z...)
So I downloaded the zip u gave and tested it, the result is the Tree Browser plugin straight disappear from the plugin manager hmm...