Korli also worked on improving support for modern x86 CPUs, including the xsave instruction, and enabling use of AVX which requires saving more CPU registers during context switches.[…]
A new version of HaikuWebKit has finally been released after help from KapiX and X512 to fix the remaining bugs. It uses a lot less memory, crashes less often, and has better support for modern website. There is ongoing work for further updates and improvements.
There’s a lot more in there, so if you have beta 2 running, be sure to update it.