The version of #EXT-X-VERSION in the .m3u8 file affects what features are available to your application and what EXT tags are valid in your playlist/manifest.
Here is some information about the
#EXT-X-VERSION tag, which specifies the HLS protocol version:
The version must match the features and attributes in the HLS playlist; otherwise, playback errors might occur. For more information, see HTTP Live Streaming specification.
Adobe recommends using at least version 2 for playback in Browser TVSDK-based clients.
Clients and servers must implement the versions in the following way:
|Use at least this version||To use these features|