What is Ctrl + ↑  Shift + H keyboard shortcut for?

Deepin Linux - Horizontal split  

BlueStacks 5 - Open the 'Game Guide' panel  

HyperSnap 8 - Capture free hand  

Firefox - Library window (history)  

Skype - Toggle hold/resume state of active call  

Microsoft Internet Explorer 11 - Pin Favorites Center and display your history  

Vivaldi - History panel  

Maxthon - Open the home page in a new tab  

RingCentral Phone (Desktop) - Hold/unhold  

PDF-XChange Editor - Enable/Disable the auto-scroll feature.  

Microsoft Word 2019 - Apply hidden text formatting  

Microsoft OneNote - Highlight the selected text  

Adobe Acrobat Reader DC - Turn on or off automatic scrolling. To control speed and direction, use up and down arrow keys  

CherryTree 0.38.8 - Replace into All Tree Nodes Contents  

Brackets - Hide Sidebar  

Notepad2 - Toggle auto close HTML/XML  

Tiptap (Windows) - Highlight  

TeXstudio 4.7.2 - Next change  

QOwnNotes 19.10.10 - Insert headline from note filename  

Adobe After Effects 2021 - Show or hide layer controls (masks, motion paths, light and camera wireframes, effect control points, and layer handles)  

AutoCAD - Toggle Hide pallets  

QGIS 3.10 - Hide All Layers  

Adobe Illustrator - Show/Hide artboards  

Adobe Premiere Pro (Windows) - Selection...  

CorelDRAW 2020 - HTML Font Size List  

Siemens NX - High quality image  

Autodesk Maya 2019 - Show > Show Last Hidden  

ACDSee - Opens or closes the Histogram pane  

Corel Painter - Hide/Display marquee  

MobaXterm 20.6 - Help and documentation  

VirtualBox 6.0 - Cloud Profile Manager: Show Help...  

Kitty 0.25.0 (Linux) - Browse scrollback in less  

Everything - Show all search history  

Mintty 3.4.0 - Search scrollback buffer  

Royal TS - Created a new Ad Hoc connection based on the current connection (similar to the Duplicate (Ad Hoc) context menu item)  

Remote Desktop Manager - Clipboard - Copy URL  

Visual Studio Code (Windows) - Replace in files  

Unreal Engine 5.0 (early access) - Show FPS  

Spyder 4.1.5 - Switch to help  

Sublime Text 4 - Replace next  

NetBeans - Replace in projects  

Visual Studio Code (Linux) - Replace in files  

SQL Server Management Studio (SSMS) - Display the Replace in Files dialog box  

Microsoft Visual Studio 2017 (All shortcuts) - Edit.ReplaceinFiles  

Microsoft Visual Studio 2017 (All shortcuts) - Image.Rotate90Degrees  

Microsoft Visual Studio 2017 (All shortcuts) - Timeline.Show (Blend only)  

Elementor - Go to the History panel  

Xyplorer - Show/Hide hidden files and folders  

Krusader 2.8 (File manager) - Edit → Find selected backwards  

Krusader 2.8 (File manager) - KrViewer menu → Hex viewer  

Corel Photo-Paint 2021 - Show object marquee  

Discord - Get help  

Cisco Jabber - Hold or resume calls  

Twilio - Toggle hold on active call  

Burp Suite - HTML-decode  

KeepassXC 2.6.4 - Remove key from SSH agent  

Comodo IceDragon - Library window (History)  

Figma - Show / hide selection  

FL Studio 20 - (Re)arrange windows  

FL Studio 20 - Arrange windows  

Logseq - Highlight  

OpenBoard 1.6 - Desktop mode  

draw.io - Fit window  

LightBurn - Flip horizontal  

FL Studio 21 - (Re)arrange windows  

FL Studio 21 - Arrange windows  

Outlook 2019 and Outlook 2016 - Create an Office document  

Archicad 24 - Find Selection Backwards  

KiCad 5.0.2 - Add Dimension  

Rhino 6 - ShowSelected  

EasyEDA - Distribute Horizontally  

FreeCAD 0.18 - Select horizontal axis  

Sparx Systems Enterprise Architect 16.1 - Transform the current package using transformation template  

Sparx Systems Enterprise Architect 16.1 - Transform the current package using transformation template  

Sparx Systems Enterprise Architect 16.1 - Use transformation templates to build physical models from more abstract content  

Vectorworks 2020 - Flip Horizontal  

Multisim - Replace by hierarchical block