...
I would try it when I have some time.
Idea is that, by using uint8_t index & uint8_t property-offset, we can make PropertyTable allocation compact. This is assuming that many of objects are not allocating 256 entries.
OK, created a patch, now testing.
Pull request: https://github.com/WebKit/WebKit/pull/312
Landed https://commits.webkit.org/249881@main (r293210)!
<rdar://problem/92144394>