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Reply To: [Solved] MacBook Air 15″ M2 encountering WindowServer High Memory Leak after update (macOS Sequoia 15.0)

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Home › Forums › MacBook, iMac & macOS Lab › [Solved] MacBook Air 15″ M2 encountering WindowServer High Memory Leak after update (macOS Sequoia 15.0) › Reply To: [Solved] MacBook Air 15″ M2 encountering WindowServer High Memory Leak after update (macOS Sequoia 15.0)

November 15, 2026 at 5:35 am #20586
Lauren Jenkins
Community Contributor
Apple Recommended / Verified Community Solution
This canonical solution was verified and marked as solved in the Apple Support Community archive.

Disabling dynamic wallpaper video rendering loops, switching to static backgrounds, and clearing Dock expose caches.

Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

  1. Switch all desktop spaces to static wallpapers in System Settings > Wallpaper.
  2. Flush compositor memory: sudo purge && killall Dock.
  3. In Desktop & Dock, change ‘Click wallpaper to reveal desktop’ to Only in Stage Manager.

Following this procedure restores full stability with zero recurring log errors.

MacBook Pro 16″ M1 Pro (32GB) | Dual Dell 27″ 4K | macOS Sequoia | Philadelphia, PA
Apple Certified Support Professional (ACSP) | Enterprise Mac Sysadmin & Jamf Pro Architect