What is this: this-is-only-for-build-envs?

[ikanotheokara]

After disabling packman, you need to do sudo zypper dup --allow-vendor-change.

The “problems” zypper is showing you are packages which are changing vendors (switching from packman to openSUSE). It wants to make sure you are okay with that. The --allow-vendor-change tells it to accept all vendor changes.

Edit:

I shared a workaround here for users who are only using packman for proprietary codecs. If this is the case for you as well, consider switching to the VLC repository:

DUP Issue TW - nothing provides 'this-is-only-for-build-envs'

Did you just do a zypper dup or did you do zypper dup --allow-vendor-change? Without the flag zypper is going to keep using the packman packages even if the repository is disabled. If you only have packman installed for codecs and are averse to using flatpaks, switching to the VLC repository might be an option for you. The VLC maintainers seem to be a bit more thoughtful about their update schedule, at least: Disable packman repo: sudo zypper mr -d packman-essentials (or whatever version yo…