Accessibility Discuss future feature implementations and development ideas in regards to accessibility. This is a free-er form of discussion than the GitHub would allow for, it can help us find a way to implement a new feature which also promotes accessibility.
Performance Group for working on performance enhancing development. Initiated by <a class="mention" href="/u/nolan">@nolan</a> and their work on <a href="">#MastodonPerf</a>
User Experience This is a category for discussion about Mastodon's design, the stock user interface included in the repository, but also discussion of user experience.
Features <strong>Features discussions and requests.</strong> If you want to outline an idea, or give feedback on how to improve an already implemented feature.
Anti-harassment For specialized discussions about features which can be categorized in the scope of anti-harassment:

About the Development category [Development] (1)
How to handle data retention? [Anti-harassment] (2)
Add gopher to URI schemes [Features] (7)
Mastodon oauth service and user's migration [Development] (3)
I designed a method of move follow [Features] (1)
Flown dot support (Catalan language) [User Experience] (2)
Getting Started with Mastodon Hacking [Development] (2)
Why 3 timelines? [User Experience] (8)
Queuing or scheduling toots [User Experience] (2)
Getting instance features merged back into the mainline [Features] (7)
Need_approval: request approval to admin on registration [Features] (1)
Sensitive images display automatically (no clickthrough) on profiles [User Experience] (2)
Deleting accounts and schedule toot auto-deletion [Features] (13)
Dev "on the fly" [Development] (3)
[solved] Vagrant 1.9.8 on OSX (with 1.5.1 release) [Development] (2)
Documentation of moderation tasks and functionalities [User Experience] (8)
Dynamically added content warnings for muted keywords, long posts, and animated imagery ( 2 ) [User Experience] (31)
Federation with IndieWeb [Features] (3)
Add option to report a user to the instance admin/mod of that user too ( 2 ) [Features] (38)
Sharing audio content as multimedia? [Features] (17)
Drafting a notification for release number and updates [Features] (11)
Toot Confirmation Prompt / Editing Toots [Features] (9)
Drawer in mobile view [User Experience] (3)
[Q] Posting: Referance Links [Features] (2)
[solved] 1.4.1 on Vagrant 1.9.3: error An unexpected error occurred: "EACCES: permission denied, unlink ..." [Development] (17)
Feature: Direct messages [User Experience] (1)
Is there any way to make timeline order? [User Experience] (5)
Migratory Accounts ( 2 ) [Features] (25)
[pics] Show off your instance! [User Experience] (15)
Keyword muting for anti-harassment and content filtering ( 2 ) [Features] (21)