[Webkit-unassigned] [Bug 253172] REGRESSION (iOS 16.4 Public Beta): WebGL app jetsams quickly on iOS device

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=253172

--- Comment #5 from Kurt Revis <krevis at figma.com> ---
I'm attempting to bisect this with open-source WebKit, running in the simulator. It's difficult because normal event handling doesn't work, so I had to hack up the web site to simulate panning and zooming. Sorry, no public URL for that.

I'm not seeing the bug on ToT (e1dfe8ee), but it does happen in safari-7615.1.18-branch, which I'm guessing is the closest equivalent to what's in iOS 16.4.

This change looked potentially related:
https://github.com/WebKit/WebKit/pull/10028 (ANGLE Metal program memory cache is unbounded)
But reverting that from ToT didn't make the problem come back. So it's likely something else.

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