1.29

- support more than 32 tracks per media type
- hls: support playlistType event
- hls: rename SAMPLE-AES-CENC -> SAMPLE-AES-CTR
- mp4: parse udta stream names
- support new ffmpeg versions

1.28

add the ability to set a source type per source
live-hls: fix webvtt caption sync
hls: support flac audio codec
hls: support CLOSED-CAPTIONS in master manifest
hls: add vod_hls_mpegts_align_pts flag
fix av1 codec name
support unknown language codes in mapping json
add persistent proxy conf
add prefetcher proxy conf
status: support prometheus format

1.27

- support av1 codec
- fix eac3 signalling

1.26

support encryption-at-rest for subtitles
live window clipping fix
dash - support smpte subtitles
hls - support AVERAGE-BANDWIDTH attribute

1.25

add vod_force_sequence_index directive
json parser - support \uxxxx
increase the max sequence ids to 4
add additional language codes
hls - output the sequence id in the id3 json
hls - avoid returning LANGUAGE for non multi audio

encryption-at-rest thumbnail fix
fix compilation without openssl/libavfilter
fix unmuxed hls with multi video codecs

1.24

- support ffmpeg 4
- support iconv 1.15
- mp4 cenc - encrypt only vcl nal units
- playlist php sample - refactor live logic
- hls - add VIDEO-RANGE attribute to master m3u8
- support utf16be encoded srt
- support track selection in progressive download
- support senc atom under trak
- support ARM architecture
- add ability to pass thumb offsets relative to start time

1.23

- support nginx 1.13.10+
- HLS - support SAMPLE-AES-CENC
- HLS - add support for DTS audio codec
- MSS - add Language attribute to StreamIndex
- SRT - clamp negative timestamps to zero
- SRT - ignore spaces before the first cue
- add vod_hls_output_iframes_playlist
- add vod_media_set_override_json
- $vod_segment_duration - make the calculation more accurate
- $vod_suburi - support use within alias/root directives
- optimization - explicitly release cache entries
- optimization - stop generating output when reaching range end
- conf templates improvements

support complex playlist clipping

- support thumbnail resize

- support HLS/SAMPLE-AES encryption with HEVC
- add silence generator

- support sample-aes in hls/fmp4

- add volume map packager
- support time shift url param
- add the ability to set the segment duration in the mapping json
- add detection for zlib in configure
- support using hdlr atom name as label