I would like to add a string to the header and purpose every time it is changed via a plugin, but this is currently not possible as there is no hook for channel metadata in the plugin API.

Allow plugins to add to the settings menu, much like they can add to the System Console settings.

It'd be great if in the integrations you could assign a bot account ownership of a webhook.

Google docs collaboration

I see the language dic (pl-PL.dic) file in simple-spell-checker-0.9.8.tgz

(https://registry.npmjs.org/simple-spellchecker/-/simple-spellchecker-0.9.8.tgz)

but no action Polish (Polski) in Spelling Languages in app.

Please add polish language spell check function in app.

Keycloak is one of the most popular IDP providers used.

It would be great it Keycloak could be supported as simple as other authentication providers based on the same technology.

Add integration for YouTrack by JetBrains

A lot of AD forests have Profile Photos in them. Mattermost provides no administrative capability to set profile photos. Therefore, just yank them out of AD? Would prevent complex UI from being necessary and give us AD admins a more fancy way :)

Instead of Amazon S3, being able to use MS OneDrive for media storage.

This would be great for companies who have this large amount of storage essentially 'free' with their Office 365 accounts rather than spending for S3 storage.

Posted two attachments with some text. Noticed one of the pictures was incorrect and made some changes to it and resubmitted it. However, I couldn't delete the old one while leaving the other attachment that was still valid.

I would like to see an integration with Alfresco for managing documents that are included in Mattermost posts

I would like to see an integration with Starleaf video conferencing. Starleaf is a great VC product and would be a good fit with Mattermost

Add to jira plugin features to notify about new comments, description changes, attachments changes in a ticket.

Gitlab projects are more often than not shielded off into private repos.
Given that Mattermost easily installs along with Gitlab (using the Omnibus installer, just by providing the url mattermost can listen on) it would make a lot of sense to have that info there; instead of a very unhelpful & confusing "Sign in" metadata

it is often useful to know when your contacts are chatting from a PC or from their smartphones.

Please create an integration with Figma

It is possible to secure self-managed Mattermost deployments w/ Fyde (www.fyde.com)'s unified security and trusted access platform.

Fyde provides granular access controls for enterprise apps (i.e. Mattermost) and workloads, and continuously monitors access requests.

With Fyde, you can roll-out strong device authentication, improve security posture of unmanaged devices and remediate configuration errors.

Right now when you click to Add new + icon beside direct message it show you directory where it show all user registered on the server.

So to protect that, a option to hide that directory will be added. To add other user you have type email address of that user from which he registered on your server.

More like whatsapp where you can msg people whome phone number you have.