HLS has gotten better in this regard: https://developer.apple.com/documentation/http_live_streaming/enabling_low-latency_hls https://developer.apple.com/documen

HLS has gotten better in this regard: https://developer.apple.com/documentation/http_live_streaming/enabling_low-latency_hls https://developer.apple.com/documentation/http_live_streamin... This provides capability for much lower latency, including effective push by blocking for playlist updates.