Discovered while testing MCL-21137 and MCL-22773.
The Bug:
The Minecraft for Windows "Play" button glitches out and flashes when switching tabs with transition animations enabled.
Steps to Reproduce:
Open the Launcher in the version stated.
Enable "Animate transitions between pages in the Launcher".
Click on the Minecraft for Windows tab.
Switch quickly between the "Play" and "Preview" tabs and observe the "Play" button.
→ ❌ The "Play" button for Minecraft for Windows flashes and/or glitches out when switching tabs.
Observed Behavior:
The Minecraft for Windows "Play" button flashes when switching tabs with transition animations enabled.
Expected Behavior:
The Minecraft for Windows "Play" button doesn't flash or glitch out when switching tabs with transition animations enabled.
While the same issue does not exist with the Java tab, and still exists with Bedrock and Dungeons, the "Play" button on Legends is glitching worse than ever.