I'm an employee of a small marketing firm, that mostly deals with websites and social media, that has recently adopted Microsoft Teams with OneDrive for Business on Office 365. It's been great for collaborating with clients however we've had a few weird glitches with it that are becoming a bit of an issue.

Our first problem is with actual conversations. As expected when one user will respond to another in a Teams channel they will receive a notification banner, as well as an update icon in the Activity tab. However when entering the channel to view the conversation, the latest part of the thread will not appear. This seems to occur at random with the desktop app. Occasionally the conversation will show in the online version of Teams.

Second issue is with Teams settings. Some Members and Owners will have the Teams picture disappear and get replaced with a default icon. When viewing the Settings tab, the Member permissions and @mentions checkboxes will be unchecked. Upon rechecking one of them, several of them will turn back on and the Teams picture will get restored. Until this is done, the affected user will not be able to @mention any member of the team. What's odd is this doesn't affect every user.

We're using a Teams naming convention of clientname with a suffix of (internal).com or (client).com to distinguish if a client is involved with the conversation or not, and thought perhaps the parenthesis or periods were causing some sort of conflict?