During the management changes at Freenode in Jul 2021, all access lists and channel ownerships were reset. Existing channels that were not reclaimed by projects now automatically redirect to the main channel, which is
If you have a specific question about a project, please make sure you’re actually in a maintained channel, and not in the main channel.
If the channel is not maintained, try checking the project’s homepage for their IRC presence. It’s usually under the “Community” section.