Pixelcode
Pixelcode
1. Type social.tchncs.de into the search bar. The in-app browser opens the login form. 2. Log into your profile. 3. Still within the in-app browser, you're redirected to the home...
Just like in the web UI it should be possible to mute other users for a limited time period or to exclude their notifications from the mute.
I've noticed that Mastodon often (but not always) sends notifications twice. Here are a few examples from Android's notification history:   
After going to the search tab and entering a search query, it's not possible anymore to switch between the tabs (All, People, Hashtags, Posts) by swiping left or right.
When sharing content via Android's share menu, you can share it “directly” to, for example, a specific chat in a messenger. Mastodon should offer the same option for the profiles...
Depending on your in-app notification settings, Mastodon sends a push notification whenever someone favourites your toot, follows you etc. While this makes sense when not using Mastodon, it isn't so...
Mastodon does not seem to indicate what option one voted for in a poll after it was finished. 
Sometimes, NSFW-marked images are not blurred, but the NSFW text warning is still displayed. 
1. Log in to profile A and B in Mastodon. 2. Switch to profile A. 3. Click on Mastodon notification for profile B. Mastodon shows the notifications tab for profile...
1. Open Mastodon and go to the notifications. 2. Switch to another app for some time, but don't close Mastodon. 3. Return to Mastodon. The notifications are still displayed but...