RFR: 8367370: Accent color platform preference not updating in macOS 26 (Tahoe)

Mon Sep 22 17:44:19 UTC 2025

On Wed, 10 Sep 2025 23:10:22 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

> 1. Replace undocumented `AppleColorPreferencesChangedNotification` with `NSSystemColorsDidChangeNotification`.
> 2. Replace undocumented `AppleInterfaceThemeChangedNotification` with a KVO registration for `NSApp.effectiveAppearance`.
> 
> This fix can be tested using either PlatformPreferencesChangedTest, or Monkey Tester > Tools > Platform preferences monitor.

Changes look good to me. I tested on macOS 14 (no change in behavior) and 26 (notification now works where it didn't before).

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Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1895#pullrequestreview-3254273011