After https://commits.webkit.org/r291499, content filtering in the Network process can be enabled.
Created attachment 455280 [details] Patch
<rdar://89697657>
Comment on attachment 455280 [details] Patch r=me
Comment on attachment 455280 [details] Patch Thanks for reviewing!
Committed r291630 (248723@main): <https://commits.webkit.org/248723@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 455280 [details].