Video Playback Stuttering Dual Monitor

Description of the issue:
Within the last 2 Brave updates, I am having YouTube and Twitch video playback stuttering on my second monitor when my main monitoring is playing a game in borderless windowed mode. This happens immediately on Minecraft Dungeons and Vermintide 2. Of note:

  • Began sometime last week ~6/24/2021
  • The stuttering is continuous until I close the program or switch out of borderless window
  • The stuttering is significant and makes the video unwatchable
  • The video playback stuttering stops immediately upon switching to Full Screen or Window
  • Stuttering happens with Brave video acceleration On and Off
  • The audio playback is uninterrupted
  • The video playback for both Twitch and YouTube does not stutter on Chrome, Firefox, and Edge … it is just in Brave that the video playback stuttering is happening

How can this issue be reproduced?

  1. Run Minecraft Dungeons in borderless window on main display
  2. Start a Twitch stream on second display
  3. Alt tab back to Minecraft Dungeons
  4. Watch video begin to stutter within 0 - 5 seconds and remain doing so

Expected result:
No stuttering

Brave Version( check About Brave):
Version 1.26.74 Chromium: 91.0.4472.124 (Official Build) (64-bit)

Additional Information:
Windows 10 (updated)
AMD Ryzen 73800X
AMD Radeon RX 5700 XT tested on drivers:
21.6.2 (OPTIONAL)
21.6.1 (WHQL)
Samsung G7 2560x1440 Main Display
Asus 24" 1920x1200 Second Display

Try the following:

  1. Type brave://settings/system in the address bar.
  2. Disable Use hardware acceleration when available.

Forgot to put that in the support ticket

  • Stuttering happens with Brave video acceleration On and Off

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