Playback for Mac and iPadOS supports keyboard shortcuts for the Transport controls and general navigation. Here is the list of the keyboard shortcuts defaults in Playback:
Global Operations
⌘= / ⌘+ — Waveform Zoom In
⌘- — Waveform Zoom Out
⌘T — Tracks View
⌘B — Buses View
⌘⇧P — Pad Player View
⌘S — Save to Cloud
⌘⇧S — Quick Save to Cloud
⌘, — Settings (toggle)
⌘N — New Setlist
⌘O — Open Setlist
⌘R — Remote Menu
⌥P — Toggle Playback Sync
⇧← — Previous Song
⇧→ — Next Song
Edit Mode Operations
⌘E — Toggle Edit Mode
⌘⌥S — Switch to Setlist / Song Map Edit Mode
⌘⌥M — Switch to MIDI Cues Edit Mode
⌘⌥A — Switch to Automation Edit Mode
⌃⌥M — Switch to MIDI Mapping Edit Mode
⌃⌥K — Switch to Keyboard Mapping Edit Mode
⌘⌥C — Switch to Cloud Song Sections Edit Mode
⌘⌥T — Switch to SMPTE Edit Mode
Esc — Exit Edit Mode
⌥D — Show / Hide Edit Drawer
⌥← — Previous Edit Mode
⌥→ — Next Edit Mode
Setlist / Song Map Operations
⌘⌥N — Add New Song
⌥⌦ — Delete Song from Setlist
⌃⌥N — Add New Song Section
⌦ — Remove Song Section
⌥T — Trim Current Section
⌥E — Edit Song Details
Note: The above Global operation, Edit Mode, and Setlist/Song Map keyboard shortcuts cannot currently be re-mapped or changed.
Transport Controls
Space Bar = Play/Pause
P = Pad On/Off
F = Fade In/Out
L = Loop
I = Infinite Loop
Setlist Navigation
Left + Right Arrow Keys = Browse through the song sections, when tracks are playing or paused
Return/Enter (while tracks are playing) = Confirm ReOrder to new section
Keyboard Numbers
While playing = Live Crossfade to corresponding song in setlist
While paused = Select corresponding song in setlist
Keyboard Mapping
Any keyboard key can be mapped to any mappable control in Playback. To access Keyboard Mapping mode, simply tap "Edit" in the top-right corner, and then select "Keyboard Mapping" from the edit-menu's drawer that slides out from the bottom-right side of Playback.
Select a highlighted control and then press the desired keyboard key to map the key to the selected Playback control. Then click "Done" to exit Keyboard Mapping mode.
Keyboard mapping will only be available on iPadOS if there's a connected keyboard.