bug: v0.11.5 not sending MB ids to Koito/clients

[myanesp]

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Describe the Bug

Hi! Thanks for your work with Multi-scrobbler.

With last update (v0.11.5), when I listen a fresh new song, properly tagged, clients as Koito does not show the associated metadata (basically, MusicBrainz ids). When reverting back to v0.11.4, everything is okay and the MB ids appears. As it can be seen in Koito logs, v0.11.5 does not send recording_mbid.

Multi-scrobbler logs v0.11.5:

[2026-02-28 08:36:22.064 +0000] DEBUG  : [App] [Sources] [Jellyfin] First time seeing media 034f3c957fdf21e13c9762c799ccaa54 on g37GsyrE5h-Desktop Client-Feishin (play position 0) => {"Name":"All Too Well (10 minute version) (Taylor’s version) (from The Vault)","ServerId":"xxx","Id":"xxx","DateCreated":"2026-01-01T11:33:00.0000000Z","HasLyrics":true,"Container":"mp3","PremiereDate":"2021-11-12T00:00:00.0000000Z","ExternalUrls":[{"Name":"MusicBrainz","Url":"https://musicbrainz.org/artist/20244d07-534f-4eff-b4d4-930878889970"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/release/0d22657f-22b7-467b-a2c0-6bef366b6202"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/artist/20244d07-534f-4eff-b4d4-930878889970"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/release-group/67727253-f1c0-4243-9270-f9f1401c3b8c"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/track/055cd5db-1ed3-4bb8-b9b6-c4c20977c729"}],"Path":"/data/music/Taylor Swift - Red (Taylor's Version)/2-14. Taylor Swift - All Too Well (10 minute version) (Taylor’s version) (from The Vault).mp3","EnableMediaSourceDisplay":true,"ChannelId":null,"Taglines":[],"Genres":["Country Pop"],"RunTimeTicks":6130416330,"ProductionYear":2021,"IndexNumber":14,"ParentIndexNumber":2,"ProviderIds":{"MusicBrainzArtist":"20244d07-534f-4eff-b4d4-930878889970","MusicBrainzAlbumArtist":"20244d07-534f-4eff-b4d4-930878889970","MusicBrainzAlbum":"0d22657f-22b7-467b-a2c0-6bef366b6202","MusicBrainzReleaseGroup":"67727253-f1c0-4243-9270-f9f1401c3b8c","MusicBrainzTrack":"055cd5db-1ed3-4bb8-b9b6-c4c20977c729"}

Koito logs with MS v.11.5:

> LbzSubmitListenHandler: Parsed request body | request_body={"listen_type":"playing_now","payload":[{"track_metadata":{"additional_info":{"artist_mbids":["20244d07-534f-4eff-b4d4-930878889970"],"artist_names":["Taylor Swift"],"duration":613,"release_mbid":"0d22657f-22b7-467b-a2c0-6bef366b6202","submission_client":"multi-scrobbler","submission_client_version":"0.11.5"},"artist_name":"Taylor Swift","mbid_mapping":{"artist_mbids":null,"artists":null,"recording_mbid":"","release_mbid":""},"release_name":"Red (Taylor’s version)","track_name":"All Too Well (10 minute version) (Taylor’s version) (from The Vault)"}}]} request_id=XLrJtHQL 

Multi-scrobbler logs v0.11.4:

[2026-02-28 08:57:12.312 +0000] DEBUG  : [App] [Sources] [Jellyfin] First time seeing media 034f3c957fdf21e13c9762c799ccaa54 on g37GsyrE5h-Desktop Client-Feishin (play position 2) => {"Name":"All Too Well (10 minute version) (Taylor’s version) (from The Vault)","ServerId":"xxx","Id":"xxx","DateCreated":"2026-01-01T11:33:00.0000000Z","HasLyrics":true,"Container":"mp3","PremiereDate":"2021-11-12T00:00:00.0000000Z","ExternalUrls":[{"Name":"MusicBrainz","Url":"https://musicbrainz.org/artist/20244d07-534f-4eff-b4d4-930878889970"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/release/0d22657f-22b7-467b-a2c0-6bef366b6202"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/artist/20244d07-534f-4eff-b4d4-930878889970"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/release-group/67727253-f1c0-4243-9270-f9f1401c3b8c"},{"Name":"MusicBrainz","Url":"https://musicbrainz.org/track/055cd5db-1ed3-4bb8-b9b6-c4c20977c729"}],"Path":"/data/music/Taylor Swift - Red (Taylor's Version)/2-14. Taylor Swift - All Too Well (10 minute version) (Taylor’s version) (from The Vault).mp3","EnableMediaSourceDisplay":true,"ChannelId":null,"Taglines":[],"Genres":["Country Pop"],"RunTimeTicks":6130416330,"ProductionYear":2021,"IndexNumber":14,"ParentIndexNumber":2,"ProviderIds":{"MusicBrainzArtist":"20244d07-534f-4eff-b4d4-930878889970","MusicBrainzAlbumArtist":"20244d07-534f-4eff-b4d4-930878889970","MusicBrainzAlbum":"0d22657f-22b7-467b-a2c0-6bef366b6202","MusicBrainzReleaseGroup":"67727253-f1c0-4243-9270-f9f1401c3b8c","MusicBrainzTrack":"055cd5db-1ed3-4bb8-b9b6-c4c20977c729"}

Koito logs with MS v0.11.4:

> LbzSubmitListenHandler: Parsed request body | request_body={"listen_type":"playing_now","payload":[{"track_metadata":{"additional_info":{"artist_mbids":["20244d07-534f-4eff-b4d4-930878889970"],"artist_names":["Taylor Swift"],"duration":613,"recording_mbid":"055cd5db-1ed3-4bb8-b9b6-c4c20977c729","release_mbid":"0d22657f-22b7-467b-a2c0-6bef366b6202","submission_client":"multi-scrobbler","submission_client_version":"0.11.4"},"artist_name":"Taylor Swift","mbid_mapping":{"artist_mbids":null,"artists":null,"recording_mbid":"","release_mbid":""},"release_name":"Red (Taylor’s version)","track_name":"All Too Well (10 minute version) (Taylor’s version) (from The Vault)"}}]} request_id=CjpNA6iE

Thanks in advance!

What configuration types are you using for multi-scrobbler? Check all that apply.

• Environmental Variables (ENV)
• Individual Config Files
• All-In-One Config File

Platform

Docker

Versions

• multi-scrobbler v0.11.5
• jellyfin v10.10.7
• koito v0.1.7

Logs

Play Debug Data

Additional Context

[FoxxMD]

Thanks for the detailed report. I'll take a look at this soon.