Plex player downloads whole movie after update

Server Version#: 1.28.0.5999 (Synology)
Player Version#: 1.51.1.3185 M1 Pro

After latest update I am not able to play some files, like H265 HEVC or H264 AVC. Plex just hangs immediately and then starts playing ONLY after it downloads whole movie instead of streaming… This is unexpected behavior.

I cannot reproduce that unfortunately with an HEVC file I just tried to play. If is possible to get the logs from the app. after you hit play and it starts downloading. Windows/Mac app logs | Plex Support

As you can see it hungs at 00:11:44.579 and then next lane is 00:14:26.966

Aug 17, 2022 00:11:43.774 [0x30958b000] DEBUG - [MPVEngine/mpv] ffmpeg: Opening https://192-168-162-111.7a973f00474545ba8ce16767974383d1.plex.direct:32400/library/parts/5615/1660648202/file.mkv?X-Plex-Session-Identifier=ml9s5m8jervctl511vq1ivwy&X-Plex-Product=Plex%20for%20Mac&X-Plex-Version=1.51.1.3185-700af1eb&X-Plex-Client-Identifier=w4qm2sj3tg7wbtgaywnax3r5&X-Plex-Platform=osx&X-Plex-Platform-Version=12.4&X-Plex-Features=external-media%2Cindirect-media%2Chub-style-list&X-Plex-Model=standalone&X-Plex-Device-Name=mainframe16.lan&X-Plex-Device-Screen-Resolution=1383x894%2C1728x1117&X-Plex-Client-Profile-Name=Plex%20Desktop&X-Plex-Token=xxxxxxxxxxxxxxxxxxxx&X-Plex-Language=ru&Accept-Language=ru
Aug 17, 2022 00:11:43.835 [0x30958b000] INFO - [MPVEngine] Resuming playback.
Aug 17, 2022 00:11:43.835 [0x30958b000] INFO - [MPVEngine] Playback has resumed.
Aug 17, 2022 00:11:43.835 [0x30958b000] DEBUG - [MPVEngine/mpv] cplayer: Set property: pause=no -> 1
Aug 17, 2022 00:11:43.835 [0x30958b000] WARN - [MPVEngine/mpv] cplayer: Warning: property 'video-aspect' is deprecated, refer to 'video-params/aspect' and 'video-aspect-override'.
Aug 17, 2022 00:11:43.835 [0x3142db000] INFO - Debug info:
File: 
  URL:  https://192-168-162-111.7a973f00474545ba8ce16767974383d1.plex.direct:32400/library/parts/5615/1660648202/file.mkv?X-Plex-Session-Identifier=ml9s5m8jervctl511vq1ivwy&X-Plex-Product=Plex%20for%20Mac&X-Plex-Version=1.51.1.3185-700af1eb&X-Plex-Client-Identifier=w4qm2sj3tg7wbtgaywnax3r5&X-Plex-Platform=osx&X-Plex-Platform-Version=12.4&X-Plex-Features=external-media%2Cindirect-media%2Chub-style-list&X-Plex-Model=standalone&X-Plex-Device-Name=mainframe16.lan&X-Plex-Device-Screen-Resolution=1383x894%2C1728x1117&X-Plex-Client-Profile-Name=Plex%20Desktop&X-Plex-Token=xxxxxxxxxxxxxxxxxxxx&X-Plex-Language=ru&Accept-Language=ru 
  Container:  ? 
  Native seeking:  no 

Video: 
  Codec:  ? 
  Size:  ? x ? 
  Duration:  0.00 
  FPS (container):  0.00 
  FPS (filters):  0.00 
  Aspect:  -1.00 
  Bitrate:  ? 
  Display FPS:  0.00 
  Hardware Decoding:  ?  ( ? ) 

Audio:  
  Codec:  ? 
  Bitrate:  ? 
  Channels:  ?  (  )  ->  ?  (  ) 
  Output driver:  ? 

Cache: 
  Total Used (B):  ? 
  Forward Used (B):  ? 
  Forward Available (B):  157,286,400 
  Backward Available (B):  52,428,800 
  Speed (bytes per second):  ? 

Misc:  
  Seekable:  ? 
  Partially seekable:  ? 
  Paused for cache:  ? 
  Buffering state:  ? 
  Frame drop count:  ? 
  Time:  0.00  /  0.00  ( 0.00 %) 
  State:    waiting   
Aug 17, 2022 00:11:44.124 [0x30958b000] DEBUG - [MPVEngine/mpv] ffmpeg: Mime-type: 'video/x-matroska'
Aug 17, 2022 00:11:44.125 [0x30958b000] DEBUG - [MPVEngine/mpv] demux: Trying demuxers for level=normal.
Aug 17, 2022 00:11:44.129 [0x30958b000] DEBUG - [MPVEngine/mpv] mkv: Seeking to 4009876004 to read header element 0x1c53bb6b.
Aug 17, 2022 00:11:44.129 [0x30958b000] DEBUG - [MPVEngine/mpv] ffmpeg: stream level seek from 16384 to 4009876004
Aug 17, 2022 00:11:44.348 [0x30958b000] DEBUG - [MPVEngine/mpv] mkv: Parsing cues...
Aug 17, 2022 00:11:44.369 [0x30958b000] DEBUG - [MPVEngine/mpv] mkv: Seeking to 4009963489 to read header element 0x1254c367.
Aug 17, 2022 00:11:44.369 [0x30958b000] DEBUG - [MPVEngine/mpv] ffmpeg: stream level seek from 4009965114 to 5960
Aug 17, 2022 00:11:44.544 [0x30958b000] DEBUG - [MPVEngine/mpv] mkv: All headers are parsed!
Aug 17, 2022 00:11:44.577 [0x30958b000] DEBUG - [MPVEngine/mpv] demux: Detected file format: Matroska
Aug 17, 2022 00:11:44.577 [0x30958b000] DEBUG - [MPVEngine/mpv] cplayer: Opening done: https://192-168-162-111.7a973f00474545ba8ce16767974383d1.plex.direct:32400/library/parts/5615/1660648202/file.mkv?X-Plex-Session-Identifier=ml9s5m8jervctl511vq1ivwy&X-Plex-Product=Plex%20for%20Mac&X-Plex-Version=1.51.1.3185-700af1eb&X-Plex-Client-Identifier=w4qm2sj3tg7wbtgaywnax3r5&X-Plex-Platform=osx&X-Plex-Platform-Version=12.4&X-Plex-Features=external-media%2Cindirect-media%2Chub-style-list&X-Plex-Model=standalone&X-Plex-Device-Name=mainframe16.lan&X-Plex-Device-Screen-Resolution=1383x894%2C1728x1117&X-Plex-Client-Profile-Name=Plex%20Desktop&X-Plex-Token=xxxxxxxxxxxxxxxxxxxx&X-Plex-Language=ru&Accept-Language=ru
Aug 17, 2022 00:11:44.578 [0x30958b000] DEBUG - [MPVEngine/mpv] cplayer: Running hook: ytdl_hook/on_preloaded
Aug 17, 2022 00:11:44.578 [0x30958b000] DEBUG - [MPVEngine] Property 'aid' set to '1'
Aug 17, 2022 00:11:44.578 [0x30958b000] DEBUG - [MPVEngine] Property 'sid' set to '1'
Aug 17, 2022 00:11:44.578 [0x30958b000] INFO - [MPVEngine] Checking codecs.
Aug 17, 2022 00:11:44.578 [0x30958b000] INFO - [MPVEngine] Updating cached decoders.
Aug 17, 2022 00:11:44.578 [0x30958b000] DEBUG - [MPVEngine] Updating cached decoders.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec 012v.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec ssa.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec cc_dec.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec mov_text.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec eac3_at.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec eac3_eae.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec truehd_eae.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec mlp_eae.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec ssa.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec dvbsub.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec dvdsub.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec mov_text.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec aac_at.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec eac3_eae.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Adding installed non-manifest codec h264_videotoolbox.
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine] Determining required decoders.
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/CodecManager] Finding a suitable decoder for h264.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecManager]   Non-system decoder %1 is present.
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/CodecManager]   Best decoder is h264 (score=15).
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/CodecManager] Finding a suitable decoder for eac3.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecManager]   System decoder %1 is whitelisted.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecManager]   %1 is a supported EAE decoder.
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/CodecManager]   Best decoder is eac3_at (score=10).
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecManager] Ignoring subtitle stream srt.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecManager] Ignoring subtitle stream srt.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecManager] Ignoring subtitle stream srt.
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine] Starting to fetch codecs.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecFetcher] Codec h264 already exists.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecFetcher] Not enqueuing h264
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecFetcher] Codec eac3_at already exists.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecFetcher] Not enqueuing eac3_at
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecFetcher] There are no more codecs to fetch.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/CodecFetcher] Telling FFmpeg that codecs folder needs to be re-scanned.
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine] Done fetching codecs. Result: 0
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine] Changing Refresh Rate/Resolution/HDR is disabled.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine] Property 'audio-delay' set to '0'
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] cplayer: Running hook: main/on_preloaded
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] cplayer: Set property: aid="1" -> 1
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] cplayer: Set property: sid="1" -> 1
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] cplayer: Set property: audio-delay=0.000000 -> 1
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] mkv: select track 0
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] mkv: select track 1
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] mkv: select track 2
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/mpv] cplayer:  (+) Video --vid=1 (*) (h264 1920x1080 23.976fps)
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/mpv] cplayer:  (+) Audio --aid=1 --alang=eng (*) 'Original' (eac3 6ch 48000Hz)
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/mpv] cplayer:  (+) Subs  --sid=1 --slang=rus (*) 'S&L Studios' (subrip)
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/mpv] cplayer:      Subs  --sid=2 --slang=eng 'Original' (subrip)
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/mpv] cplayer:      Subs  --sid=3 --slang=eng 'Original (SDH)' (subrip)
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/mpv] display-tags: File tags:
Aug 17, 2022 00:11:44.579 [0x30958b000] INFO - [MPVEngine/mpv] display-tags:  Title: Better Call Saul - S06E13 - Saul Gone (2022)
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] vo/gpu: Probing for best GPU context.
Aug 17, 2022 00:11:44.579 [0x30958b000] DEBUG - [MPVEngine/mpv] vo/gpu/opengl: Initializing GPU context 'cocoa'
Aug 17, 2022 00:14:26.966 [0x2029d3600] INFO - [Web] [Connections] Testing all 1 connection(s) for [Loopback]
Aug 17, 2022 00:14:26.967 [0x2029d3600] INFO - [Web] [Servers] Waiting for initial servers = [Loopback]
Aug 17, 2022 00:14:26.972 [0x2029d3600] INFO - [UpdateManager] It has gone 184 seconds since last update check.
Aug 17, 2022 00:14:26.972 [0x309a26000] INFO - [UpdateFetcher] Sending request: https://plex.tv/updater/products/6/check.xml?version=1.51.1.3185-700af1eb&build=darwin-x86_64&channel=0&distribution=macos&X-Plex-Token=xxxxxxxxxxxxxxxxxxxx
Aug 17, 2022 00:14:26.972 [0x309a26000] WARN - [UpdateFetcher] QObject: Cannot create children for a parent that is in a different thread.
(Parent is QNetworkAccessManager(0x60000238f2b8), parent's thread is QThread(0x600002fcc5b0), current thread is QThread(0x600002feabf0)
Aug 17, 2022 00:14:26.972 [0x2029d3600] INFO - [Web] [Commands] Executing testServerConnection
Aug 17, 2022 00:14:26.972 [0x2029d3600] INFO - [Web] [Connections] Testing connection for [Loopback] at http://127.0.0.1:32400/media/providers
Aug 17, 2022 00:14:26.973 [0x2029d3600] INFO - [Web] [Connections] Testing legacy connection for [Loopback] at http://127.0.0.1:32400
Aug 17, 2022 00:14:26.983 [0x2029d3600] INFO - [Web] [Connections] Retrying connection tests for [Loopback] in 10 seconds
Aug 17, 2022 00:14:26.987 [0x2029d3600] ERROR - [Web] An entity does not exist with the type "servers" and id "undefined"
Aug 17, 2022 00:14:26.987 [0x2029d3600] INFO - [Web] [Player] Timeline, {
  "ratingKey": "3417",
  "key": "/library/metadata/3417",
  "playbackTime": 0,
  "playQueueItemID": "4999",
  "state": "playing",
  "hasMDE": 1,
  "context": "home:hub.home.television.recent",
  "row": 1,
  "col": 0,
  "time": 0,
  "duration": 4138000
}
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] Did not move header "accept" to query string. This can result in an unnecessary OPTIONS preflight request.
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] [Connections] All connections to [Loopback] failed
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Servers] Found all servers = Rostock, plex.tv
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Connections] Testing all 1 connection(s) for [Loopback]
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Servers] Waiting for initial servers = [Loopback]
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Commands] Executing testServerConnection
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Connections] Testing connection for [Loopback] at http://127.0.0.1:32400/media/providers
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Connections] Testing legacy connection for [Loopback] at http://127.0.0.1:32400
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Connections] Retrying connection tests for [Loopback] in 12 seconds
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] An entity does not exist with the type "servers" and id "undefined"
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Player] Timeline, {
  "ratingKey": "3417",
  "key": "/library/metadata/3417",
  "playbackTime": 0,
  "playQueueItemID": "4999",
  "state": "playing",
  "hasMDE": 1,
  "context": "home:hub.home.television.recent",
  "row": 1,
  "col": 0,
  "time": 0,
  "duration": 4138000
}
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] Did not move header "accept" to query string. This can result in an unnecessary OPTIONS preflight request.
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.988 [0x2029d3600] ERROR - [Web] [Connections] All connections to [Loopback] failed
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Servers] Found all servers = Rostock, plex.tv
Aug 17, 2022 00:14:26.988 [0x2029d3600] INFO - [Web] [Connections] Testing all 1 connection(s) for [Loopback]
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Servers] Waiting for initial servers = [Loopback]
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Commands] Executing testServerConnection
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Connections] Testing connection for [Loopback] at http://127.0.0.1:32400/media/providers
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Connections] Testing legacy connection for [Loopback] at http://127.0.0.1:32400
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Connections] Retrying connection tests for [Loopback] in 14 seconds
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] An entity does not exist with the type "servers" and id "undefined"
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Player] Timeline, {
  "ratingKey": "3417",
  "key": "/library/metadata/3417",
  "playbackTime": 0,
  "playQueueItemID": "4999",
  "state": "playing",
  "hasMDE": 1,
  "context": "home:hub.home.television.recent",
  "row": 1,
  "col": 0,
  "time": 0,
  "duration": 4138000
}
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] Did not move header "accept" to query string. This can result in an unnecessary OPTIONS preflight request.
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] [Connections] All connections to [Loopback] failed
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Servers] Found all servers = Rostock, plex.tv
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] An entity does not exist with the type "servers" and id "undefined"
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Player] Timeline, {
  "ratingKey": "3417",
  "key": "/library/metadata/3417",
  "playbackTime": 0,
  "playQueueItemID": "4999",
  "state": "playing",
  "hasMDE": 1,
  "context": "home:hub.home.television.recent",
  "row": 1,
  "col": 0,
  "time": 0,
  "duration": 4138000
}
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] Did not move header "accept" to query string. This can result in an unnecessary OPTIONS preflight request.
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Connections] Testing all 1 connection(s) for [Loopback]
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Servers] Waiting for initial servers = [Loopback]
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Commands] Executing testServerConnection
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Connections] Testing connection for [Loopback] at http://127.0.0.1:32400/media/providers
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Connections] Testing legacy connection for [Loopback] at http://127.0.0.1:32400
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Connections] Retrying connection tests for [Loopback] in 16 seconds
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] An entity does not exist with the type "servers" and id "undefined"
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Player] Timeline, {
  "ratingKey": "3417",
  "key": "/library/metadata/3417",
  "playbackTime": 0,
  "playQueueItemID": "4999",
  "state": "playing",
  "hasMDE": 1,
  "context": "home:hub.home.television.recent",
  "row": 1,
  "col": 0,
  "time": 0,
  "duration": 4138000
}
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] Did not move header "accept" to query string. This can result in an unnecessary OPTIONS preflight request.
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.989 [0x2029d3600] ERROR - [Web] [Connections] All connections to [Loopback] failed
Aug 17, 2022 00:14:26.989 [0x2029d3600] INFO - [Web] [Servers] Found all servers = Rostock, plex.tv
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Connections] Testing all 1 connection(s) for [Loopback]
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Servers] Waiting for initial servers = [Loopback]
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Commands] Executing testServerConnection
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Connections] Testing connection for [Loopback] at http://127.0.0.1:32400/media/providers
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Connections] Testing legacy connection for [Loopback] at http://127.0.0.1:32400
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Connections] Retrying connection tests for [Loopback] in 18 seconds
Aug 17, 2022 00:14:26.990 [0x2029d3600] ERROR - [Web] An entity does not exist with the type "servers" and id "undefined"
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Player] Timeline, {
  "ratingKey": "3417",
  "key": "/library/metadata/3417",
  "playbackTime": 0,
  "playQueueItemID": "4999",
  "state": "playing",
  "hasMDE": 1,
  "context": "home:hub.home.television.recent",
  "row": 1,
  "col": 0,
  "time": 0,
  "duration": 4138000
}
Aug 17, 2022 00:14:26.990 [0x2029d3600] ERROR - [Web] Did not move header "accept" to query string. This can result in an unnecessary OPTIONS preflight request.
Aug 17, 2022 00:14:26.990 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.990 [0x2029d3600] ERROR - [Web] [Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)
Aug 17, 2022 00:14:26.990 [0x2029d3600] ERROR - [Web] [Connections] All connections to [Loopback] failed
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Servers] Found all servers = Rostock, plex.tv
Aug 17, 2022 00:14:26.990 [0x2029d3600] ERROR - [Web] An entity does not exist with the type "servers" and id "undefined"
Aug 17, 2022 00:14:26.990 [0x2029d3600] INFO - [Web] [Player] Timeline, {
  "ratingKey": "3417",
  "key": "/library/metadata/3417",
  "playbackTime": 0,
  "playQueueItemID": "4999",
  "state": "playing",
  "hasMDE": 1,
  "context": "home:hub.home.television.recent",
  "row": 1,
  "col": 0,
  "time": 0,
  "duration": 4138000
}

This is the last line in your log snippet related to MPV

I can only guess that the problem is hardware decoding on your machine (since you didn’t post the full log I cannot diagnose further). Perhaps you should try turning this off.

After latest update the problem was solved

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