# New MP4 Publisher fields not recognized outside of program

**URL:** https://community.mp3tag.de/t/new-mp4-publisher-fields-not-recognized-outside-of-program/62150
**Category:** Support
**Created:** [September 20, 2023, 4:31am UTC](https://community.mp3tag.de/t/new-mp4-publisher-fields-not-recognized-outside-of-program/62150 "2023-09-20T04:31:24Z")
**Posts on this page:** 1
**Showing post:** 2

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### 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: [September 20, 2023, 5:24am UTC](https://community.mp3tag.de/t/new-mp4-publisher-fields-not-recognized-outside-of-program/62150/2 "2023-09-20T05:24:42Z")

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see here:

> [@MP4 Publisher compatibility](https://community.mp3tag.de/t/mp4-publisher-compatibility/56000):
>
> On version 3.11 support for the MP4 field PUBLISHER was added: [2021-10-29] REL: VERSION 3.11 (for Windows 11/10/8.1/8/7) [2021-10-20] NEW: added support for MP4 fields NARRATOR and PUBLISHER. That means that the Mp3tag name PUBLISHER is now saved to the MP4 frame "©pub" instead of "----:com.apple.iTunes:PUBLISHER" (as described in [Tag Field Mappings – Mp3tag Documentation](https://docs.mp3tag.de/mapping)). This leads to an incompatibility with other software (e.g. foobar2000, MediaInfo), which expect the publisher to be…

Or perhaps better here:

> [@Publisher tag not embedded properly](https://community.mp3tag.de/t/publisher-tag-not-embedded-properly/58545):
>
> Hi. I'm editing tags for my audiobooks (.m4b) and everything works flawlessly except for the Publisher tag. I added a new column and choose field & value %publisher% for it (the %publisher% field is an already available extended field in Mp3tag). I added the values for my audiobooks and hit Save. When I right click on the file and hit Properties, as well as when I load my audiobooks into an audiobook player, the Publisher field is empty. I check the file with MediaInfo, the tag is registered…

as that discussion also picks up the problems of Publisher and Label.

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_[View the full topic](https://community.mp3tag.de/t/new-mp4-publisher-fields-not-recognized-outside-of-program/62150)._