Plugin not compatible with IntelliJ IDEA 2020.03

Depends on failed to load plugin 'zielu.gittoolbox'.

That plugin, in turn:
Incompatible: requires IDE build 193.* or older.
https://plugins.jetbrains.com/plugin/7499-gittoolbox

Workaround: install EAP builds for gittoolbox:
https://github.com/zielu/GitToolBox#eap-builds