Revamp broadcast IPC #813

Job	Run time
test (macos-13, 14.2, iOS Simulator,OS=17.2,name=iPhone 14 Pro)	20m 47s
test (macos-13, 14.2, macOS)	4m 13s
test (macos-13, 14.2, macOS,variant=Mac Catalyst)	5m 12s
test (macos-14, 15.4, iOS Simulator,OS=17.5,name=iPhone 15 Pro)	6m 33s
test (macos-14, 15.4, macOS)	3m 45s
test (macos-14, 15.4, macOS,variant=Mac Catalyst)	4m 28s
test (macos-14, 15.4, visionOS Simulator,name=Apple Vision Pro)	8m 47s
test (macos-14, 15.4, tvOS Simulator,name=Apple TV)	5m 27s
test (macos-15, 16.2, iOS Simulator,OS=18.1,name=iPhone 16 Pro)	6m 47s
test (macos-15, 16.2, macOS)	3m 58s
test (macos-15, 16.2, macOS,variant=Mac Catalyst)	3m 7s
	1h 13m 4s

Provide feedback