Thanks, I believed this was fixed a while back by reprojectTexture options#seamPixels divides by 0 · Issue #4889 · playcanvas/engine · GitHub but perhaps there is still some issue @slimbuck could investigate and fix.
@3dTim - would you have a repro project you could share with us?
The Chromium is in the meantime urgently reverting their change and are back-porting it to v128 as well: Chromium