Major Performance Regression and Flickering in Skia >1.9.0 with Large Virtualized EPG Grid

[petrikjan]

Hi, reaching out for help. I'm having a major issue with the newer versions of Skia (the last working one is 1.9.0). In the later versions, components flicker, disappear, and scrolling via the gesture handler is extremely choppy. I'm using Skia for an EPG grid that recycles rows and only renders visible items within the rows. For performance, I also use Memo to prevent rerendering items during scroll — they only render or hide when outside the visible area. In version 1.9.0, this worked perfectly — it was fast and smooth even on low-end devices. The entire EPG grid is huge, and I couldn't achieve this speed using plain React Native — hence Skia.

I’m asking because I try to keep React Native up to date and I’d like to use features from React 19 in the project, but unfortunately Skia 1.9.0 is no longer compatible starting from RN 78. I really need to figure out what changed so drastically in Skia that just upgrading to a newer version completely breaks everything.

I’ve opened a related issue here: #2999 — it only shows the scrolling issue, but the disappearing memoized components are not mentioned. Below I’m attaching a video demonstrating the problem and the behavior.

Thank you all in advance!

@wcandillon @chrfalch

[wcandillon]

Thanks a lot for the nudge there. If you can provide me with the full example on #2999 will investigate it asap.