Add a search filter to the "More Channels" list
It might be very inconvenient to search through every channels name/description manually. A text search on this fields to find a channel will do the job.
Владислав Колесник shared this idea
completed · Adminmattermost.org (Moderator, Mattermost) responded
This feature is complete and will be included in the Nov 16th, v3.5.0 release of Mattermost!
Could this feature be changed to also search the purpose and/or header?