What is Ctrl + ↑  Shift keyboard shortcut for?

Windows 11 - Switch the keyboard layout when multiple keyboard layouts are available  

Windows XP - (hold when dragging an item) Create a shortcut to selected item  

Windows XP - (hold when dragging an item) Create a shortcut to selected item  

Adobe Audition - Select the same input or output for all audio tracks  

Adobe After Effects 2021 - Momentarily activate Eraser tool with Last Stroke Only option  

Corel Painter - Select/Deselect mode  

SketchUp - Subtract  

SketchUp - Object  

SketchUp - Unsoften/Unsmooth  

Clip Studio Paint Pro - Select layer  

Global Mapper 21 - Clamp (restrict) movement of features/ vertices to the DIAGONAL axis  

Adobe Animate CC (Windows) - Show or change a list of the scenes in the current movie  

Zbrush 2023.1 - (hold while selecting brush from popup) Select Selection or Clip Brush  

Nuke - (hold down) Hide points to click on selection box/transform handle  

JAWS - Select Multiple List Items  

Geany 1.38 - Column mode editing (rectangular selections)  

Autodesk Stingray - Remove objects from current selection  

Xyplorer - Open the location you are going to in the inactive pane.  

iTunes 11 for Windows - (while connecting your iPod, until iPod appears in the iTunes window) Prevent iPod from automatically syncing when you connect it to your computer  

iTunes 11 for Windows - (while opening iTunes) Open iTunes in “safe mode” (without external plug-ins)  

Payday 3 (PC) - Slide  

Stellaris (PC) - Add an action to the top of a fleet's action queue  

Live for Speed - Show usernames instead of player names  

RimWorld - ×1000 (For any number field, multiplies the increment/decrement button by 1000)  

Magic: The Gathering Arena - Enable full control permanently  

REAPER - Collect points into automation item ignoring snap  

Dynamics 365 Business Central - Expand or collapse all sub-nodes, in addition to top-level nodes, when you choose the Expand or Collapse action  

Author-It - Insert a copy directly above the object  

draw.io - Click connection to disable connections  

draw.io - Hold to resize centered  

LabView - (resize) Resizes selected object while maintaining center point and aspect ratio  

LabView - (over open space) Switches to Scrolling tool  

Altium Designer - Temporarily disables the grid  

Altium Designer - Temporarily disables the grid  

Altium Designer - Temporarily disables gloss cycling  

Eplan Platform 2.9 - (then blank) Jump from cross-reference to counterpiece and open a new window of the graphical editor at the same time  

Nulaxy KM12 Bluetooth Keyboard - Switch language  

Huawei MatePad Pro - Switch the input method