The bitstream is kind of finalized as "FLIF16" now, just like GIF87 was finalized in 1987. Future bitstream-changing stuff will go in a new branch, which will e

The bitstream is kind of finalized as "FLIF16" now, just like GIF87 was finalized in 1987. Future bitstream-changing stuff will go in a new branch, which will eventually become the "FLIF17" or "FLIF18" format (whatever the year will be). Future decoders will decode both FLIF16 and FLIF1x.