# Tags from the 3.37 betas are gone

**URL:** <https://community.mp3tag.de/t/tags-from-the-3-37-betas-are-gone/72053>\
**Category:** Support\
**Created:** [November 9, 2026, 1:23pm UTC](https://community.mp3tag.de/t/tags-from-the-3-37-betas-are-gone/72053 "2026-11-09T13:23:54Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Wulfman](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/w/43a26b/32.png) [@Wulfman](https://community.mp3tag.de/u/Wulfman)\
**Post date:** [November 9, 2026, 1:23pm UTC](https://community.mp3tag.de/t/tags-from-the-3-37-betas-are-gone/72053/1 "2026-11-09T13:23:54Z")

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I had installed the 3.37 beta (?) a few days ago and tagged some albums with it. Now I have version 3.37, and all the tags are gone in Mp3Tag.

MediaInfo: Tags are there  
iTunes: Tags are there  
MPC-BE: Tags are there

When I go to “Advanced Tags” in Mp3Tag, the tags aren’t listed there either. However, there are 4 tags that definitely weren’t there before: MP3GAIN\_MINMAX, MP3GAIN\_UNDO, REPLAYGAIN\_TRACK\_GAIN, and REPLAYGAIN\_TRACK\_PEAK

It seems to only affect tags created with the latest beta. Slightly older tags—and, of course, all those from before version 3.37—are still there.

When I create a new tag in iTunes, it doesn’t show up in Mp3Tag either.

I haven’t changed anything in Mp3Tag’s since years ;). It’s supposed to write ID3v2 and APEv2. When I check this with `file *.mp3 (wsl2)`—it matches—and MP3Tag also says that ID3v2.3 and APEv2 are included.

Mediainfo via wsl2-cli:

Dont work in mp3tag:

```auto
General
Complete name : Song.mp3
Format : MPEG Audio
File size : 7.59 MiB
Duration : 3 min 12 s
Overall bit rate mode : Constant
Overall bit rate : 320 kb/s
Title : Song
Album : Albumname
Album/Performer : Various Artists
Part/Position : 3
Part/Total : 3
Track name/Position : 01
Compilation : Yes
Performer : Interpret
Genre : OwnGenre
Recorded date : 2026
Cover : Yes
Cover description : Albumname
Cover type : Cover
Cover MIME : image/jpeg

Audio
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Format settings : Joint stereo
Duration : 3 min 12 s
Source duration : 3 min 12 s
Bit rate mode : Constant
Bit rate : 320 kb/s
Channel(s) : 2 channels
Sampling rate : 44.1 kHz
Frame rate : 38.281 FPS (1152 SPF)
Compression mode : Lossy
Replay gain : -6.62 dB
Replay gain peak : 0.602037
Stream size : 7.33 MiB (97%)
Language : German
 Min/Max : 116,182
 Undo : +003,+003,N

Image
Type : Cover
Title : Albumname
Format : JPEG
Muxing mode : ID3v2 APIC
Width : 600 pixels
Height : 600 pixels
Color space : YUV
Chroma subsampling : 4:4:4
Bit depth : 8 bits
Compression mode : Lossy
Stream size : 230 KiB (3%)

```

* * *

Work in mp3tag:

```auto
General
Complete name : song2.mp3
Format : MPEG Audio
File size : 6.92 MiB
Duration : 2 min 58 s
Overall bit rate mode : Constant
Overall bit rate : 320 kb/s
Title : song2
Album : otherAlbumname
Album/Performer : Various Artists
Part/Position : 1
Part/Total : 2
Track name/Position : 07
Compilation : Yes
Performer : Interpret
Genre : OwnGenre
Recorded date : 2025
Writing library : LAME3.99r
Cover : Yes
Cover type : Cover
Cover MIME : image/jpeg

Audio
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Format settings : Joint stereo
Duration : 2 min 58 s
Source duration : 2 min 58 s
Bit rate mode : Constant
Bit rate : 320 kb/s
Channel(s) : 2 channels
Sampling rate : 44.1 kHz
Frame rate : 38.281 FPS (1152 SPF)
Compression mode : Lossy
Stream size : 6.81 MiB (98%)
Writing library : LAME3.99r
Encoding settings : -m j -q 3 --lowpass 20.5 -b 320
Language : German

Image
Type : Cover
Format : JPEG
Muxing mode : ID3v2 APIC
Width : 600 pixels
Height : 600 pixels
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Compression mode : Lossy
Stream size : 110 KiB (2%)

```

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<div class="post-metadata">

**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [November 9, 2026, 1:29pm UTC](https://community.mp3tag.de/t/tags-from-the-3-37-betas-are-gone/72053/2 "2026-11-09T13:29:14Z")

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Please switch off to read APE tags in Options\>Tags\>Mpeg.  
Reread the tags and check if the data has returned.

The MP3GAIN tags come from a software (that you used) to level the volume.  
If you ponder about removing APE tags then undo the gain changes before otherwise the audio contents will stay in its altered state.

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<div class="post-metadata">

**Author:** ![Wulfman](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/w/43a26b/32.png) [@Wulfman](https://community.mp3tag.de/u/Wulfman)\
**Post date:** [November 9, 2026, 1:36pm UTC](https://community.mp3tag.de/t/tags-from-the-3-37-betas-are-gone/72053/3 "2026-11-09T13:36:17Z")

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"The MP3GAIN tags come from a software (that you used) to level the volume."

I only use iTunes to play music. I don't use any other software, and I only see these entries in the files that are causing problems (I generally delete tags that I don't need). I don't see this in other MP3s that I play through iTunes. So I can't imagine that the tags are coming from iTunes... if they were, then all the files would have them (the examples are from music I'm currently listening to via iTunes).

**"Please switch off to read APE tags in Options\>Tags\>Mpeg."**  
**\<- WORKS! 😉 Many Thanks!**

And "MP3GAIN\_MINMAX, MP3GAIN\_UNDO, REPLAYGAIN\_TRACK\_GAIN, and REPLAYGAIN\_TRACK\_PEAK" are gone ...

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<div class="post-metadata">

**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [November 9, 2026, 1:44pm UTC](https://community.mp3tag.de/t/tags-from-the-3-37-betas-are-gone/72053/4 "2026-11-09T13:44:53Z")

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> [@Wulfman](#):
>
> And "MP3GAIN\_MINMAX, MP3GAIN\_UNDO, REPLAYGAIN\_TRACK\_GAIN, and REPLAYGAIN\_TRACK\_PEAK" are gone ...

No, they are simply not displayed any more.  
If you check the present and displayed tags in such a file, then you will see APE and ID3V2.3 (and possibly ID3V1).

I cannot answer where the GAIN tags crept into your workflow. The only thing I can garantee is that they do not come from MP3tag as MP3tag does not deal with the audio part.  
It is up to you to find a way to deal with these tags.
