## How to determine if you have an issue and how to fix it: run: ```sudo dnf list --installed *protobuf*``` if you get a result that looks like ```protobuf.x86_64 3.6.1-6.module_f31+6793+1c93c38```
you have encountered the problem. so please: run: ```sudo dnf module disable eclipse``` run: ```sudo dnf downgrade protobuf``` Any updates, as of a few hours ago, should be fine. ## What happened: First and foremost, this issue appears to be caused by Modularity but, in fact, is just an example of a policy not being followed. When a module wishes to declare a "default stream"[1] it *must* not override a traditional RPM without express permission from FESCo. The policy is documented here[2]. Unfortunately, the recent change to enable an Eclipse Module Stream as a default stream did not follow this policy and provided a different protobuf RPM with different functionality. ## What we can do going forward: * Increase the awareness of the policies for Fedora Modules * Investigate an "early warning system" that would indicate to packagers (modular and RPM) when they might be violating this policy * Request dnf notify the user when they are enabling a superseding rpm from a default stream module * Request dnf provide an indication of what module is providing a particular rpm (e.g. `dnf provides protobuf` not just indicate repo origin but also module name and stream) Langdon [1]: if you are unfamiliar, this is the functionality that allows a module stream to be used transparently by end users without them needing to explicitly install a module. [2]: https://docs.fedoraproject.org/en-US/modularity/making-modules/managing-defaults/#_setting_or_changing_a_default
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