M3.12: Pre-compose keeps the composition's settings; New Comp from Selection is one undo step with After Effects' options

- Pre-compose makes the new composition with the original's pixel aspect, background, motion
  blur and frame blending settings and 3D renderer (`Comp::nested_like`); it kept only size,
  rate and background.
- File ▸ New Comp from Selection records one undo step (two per item before) and takes each
  item's pixel aspect. Several items selected open the New Composition from Selection dialog:
  Single / Multiple Compositions, Use Dimensions From, Still Duration (default from Settings ▸
  Import ▸ Still Footage), Add to Render Queue, Sequence Layers with Overlap, Duration and
  Transition. `file.newCompFromSelection {single, dimensionsFrom, duration, addToRenderQueue,
  sequence, overlap, overlapDuration, transition}`; `layer.addItem {duration}` for stills.
- Docs: parity.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
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bflatasticandClaude Opus 5.5 committed 2026-10-04 23:48:54 +07:00
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@@ -383,6 +383,18 @@ Browser in the web app (landed in M13.10: browser storage and File System Access
wrong signatures and versions, fuel exhaustion, traps and bit-identical output; script
`Socket` validates ports, and ScriptUI resource strings accept trailing array commas.
## Update: M3.12 Pre-compose and New Comp from Selection
- **Pre-compose** makes the new composition with the original's settings (pixel aspect,
background, motion blur shutter / samples / switch, frame blending switch, 3D renderer); it
only kept the size, frame rate and background.
- **File ▸ New Comp from Selection** is one undo step (it was two per item) and takes each
item's pixel aspect. With several items selected it opens After Effects' dialog: Single or
Multiple Compositions, Use Dimensions From, Still Duration (default: Settings ▸ Import ▸ Still
Footage), Add to Render Queue and Sequence Layers with Overlap, Duration and Transition
(`file.newCompFromSelection {single, dimensionsFrom, duration, addToRenderQueue, sequence,
overlap, overlapDuration, transition}`). `layer.addItem {duration}` sets a still's length.
## Update: M3.11 layer commands
- **Lock**: locked layers can't be selected (a Timeline click, Select All, Ctrl+Up / Down step