LOG_TEST_CASE: Existing RenderTarget width/height changed
In ValidateRenderTargetDimensions (C:\projects\cxbx-reloaded\src\core\hle\D3D8\Direct3D9\Direct3D9.cpp line 3227)
Titles:
Jet Set Radio Future triggers this popup when boost dashing.
This game, Kameo, consists of 8 different test case messages according to an April 2020 update in its issue.
This is also appearing in Dead or Alive 3.
Also present on Conker: Live & Reloaded
Need for Speed: Carbon displays this on startup.
Need for Speed: Underground 2 displays this after name entry.
Ninja Gaiden: Black also shows this message, when after starting the first mission.