What is ↑  Shift + J keyboard shortcut for?

Audacity - Select > Track Start to Cursor  

Mozilla Thunderbird - Mark as not junk  

GoldWave - Makes the playback speed slower  

Adobe Acrobat 2017 (Windows and Unix) - Cycle through Stamp, Attach File, Record Audio Comment  

Adobe Acrobat 2017 (Mac) - Cycle through Stamp, Attach File, Record Audio Comment  

Adobe Premiere Pro (Windows) - Shuttle Slow Left  

IrfanView - JPG lossless operations (plugin required)  

Blender 3.4.1 - Grease pencil draw  

DaVinci Resolve 15 (Mac) - Fast reverse  

Harmony 20 - Insert blank frame  

Harmony 20 - Insert blank cell  

Houdini - Minimize selected notes/boxes  

Autodesk 3ds Max 2021 - Viewport Selection Show Selection Bracket Toggle  

Adobe Premiere Pro (Mac) - Shuttle Slow Left  

Corel Painter (Mac) - Join endpoints  

NerdTree 6.9.10 - Go to last child  

lnav (The Log File Navigator) 0.11.2 - Mark/unmark the next line after the previously marked  

Jupyter Notebook - Select next cell in downwards direction  

Unreal Engine 5.0 (early access) - Select all adjacent surfaces  

Unreal Engine - Select all adjacent surfaces  

JupyterLab - Extend marked cells below  

Tig - Next  

GitLab (Windows) - Scroll to bottom  

GitLab (macOS) - Scroll to bottom  

GitHub - Scroll all the way down  

Reddit - Load next page (by jumping bottom of current page)  

Google Keep Notes - Go to next position  

Inoreader - Next item  

Feedly - Next feed or collection  

mpv - Previous subtitle  

PotPlayer 1.7 - Faster  

SMPlayer 19.5.0 - Previous subtitle  

Celluloid 0.23 - Cycle through available subtitles  

MPlayer - Cycle through the available subtitles  

X4: Foundations - Activate Jumpdrive (press again to cancel jump)  

Live for Speed - Join Race  

The Curse of Monkey Island - Use this during ship-to-ship combat, and in the following insult sword fights, the swords will sound like sounds from Star Wars  

Jagged Alliance 2 (version 1.13) - Jumps through window (merc must be facing the window, and there must be a free tile on the other side of the window). Closed window works as well  

Cataclysm: Dark Days Ahead (PC) - Move view south  

Cataclysm: Dark Days Ahead (PC) - Wide move down  

Lock On: Modern Air Combat - External camera jiggle toggle  

Lichess - Enter / exit variation  

Discourse - Next section  

Davinci Resolve 17 (Windows) - Fast Reverse  

Traktor Pro 3 - Set as tempo master (Deck B)  

Davinci Resolve 17 (macOS) - Fast Reverse  

Avid Pro Tools 2021.6 - Cycle Video Track Online through all shown video tracks (Pro Tools Ultimate Only)  

Edius Pro 9 - Connect Source Channel (Video) - Toggle  

Cakewalk by Bandlab - Reset all meters  

Mutt 2.2.10 - Move to the next entry  

Mutt 2.2.10 - Move to the next entry  

Superhuman (macOS) - Add to selection  

Chief Architect X15 - Camera View Tools - Full Camera  

Petrel - Activate the Set J-Direction tool  

Vectorworks 2020 - Chamfer Edge  

Vectorworks 2020 (macOS) - Chamfer Edge