Still an issue! Pinning on instrument tracks

Pinning on Instrument tracks is still an issue since Cubase 8.
In the inspector when pinning e.g. the inserts tab of the instrument, it doesn’t stay in this state when opening e.g. the send tab.
Also when strg+clicking all tabs to be open, if you click on one of them, all get collapsed.
It works for audio but not for instrument track types. Such an annoying bug.