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#nscollectionview

2 posts

macOSDeep Dive October 3, 2026 7 min read

NSCollectionView Compositional Layout on macOS: Sections, Sizing, and Adaptation

Compose adaptive AppKit collection layouts from items, groups, and sections while keeping sizing, supplementary content, and model identity predictable.

#macos#appkit#nscollectionview

macOSDeep Dive October 3, 2026 8 min read

NSCollectionView Diffable Data Sources: Stable IDs and Snapshot Updates

Build predictable AppKit collection views with diffable snapshots, stable identifiers, reconfiguration, serialized updates, and safe selection restoration.

#macos#appkit#nscollectionview