What is Alt + ↑  Shift + Insert keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. Far Manager - Copy full (with path) names into clipboard  
2. SmartGit 19 - Copy relative path  
3. YouTrack Cloud 2022.3 (Windows) - Open the Add widget menu.  

All programs

All programs using this shortcut, by category.

Note: This page includes variations for Insert + Shift + Alt
Insert + Alt + Shift
Shift + Insert + Alt
Shift + Alt + Insert
Alt + Shift + Insert
Alt + Insert + Shift
Alt + Shift + Insert. Restrict to only Alt + Shift + Insert.