We added AVFoundationNSURLSessionEnabled in 2016, and left it as a configurable toggle to support A/B testing and debugging. Now that all supported platforms expect to use this path, and we always want our AVFoundation networking to pass through WebKit, we can remove this toggle.
Created attachment 458151 [details] Patch
Created attachment 458152 [details] Patch
Created attachment 458154 [details] Patch
<rdar://problem/92494264>
Comment on attachment 458154 [details] Patch Whoops! Didn’t land it.
Committed r293604 (250110@main): <https://commits.webkit.org/250110@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 458154 [details].