Apple Notes Performance Tuning Overview Apple Notes automation performance degrades linearly with note count because JXA loads all note objects into memory when you access a collection. A vault with 10,000+ notes can take 30+ seconds for a simple list operation. The primary bottleneck is the Apple Events bridge between your script and Notes.app — every property access (name, body, date) is a separate IPC call. This guide covers caching strategies, incremental sync, batch optimization, and architectural patterns to keep automation responsive at scale. Performance Benchmarks | Operation | 100 n…