language design

Discussion on designs for new language features and other user-facing language changes. Home of the language design team.

tools and infrastructure

Discussion about all "official" (rust-lang managed) non-rustc tools, and community infrastructure:

compiler

Discussion about the compiler itself -- internal data structures and algorithms, optimizations, parsing, and so on. Home of the compiler subteam.

libs

Discussion around libraries, either in the community or officially supported (hosted by rust-lang).

documentation

Discussion about the documentation, either the prose docs or the API docs.

announcements

Low-traffic category for announcements about the decision making process, such as when RFCs are entering the final comment period, new meeting minutes are available, and so forth.

community

Community happenings, such as talks, meetups, group projects, etc.

meta

Discussion about this forum, its organization, how it works, and how we can improve it.

Style and Formatting

A category for discussion about the behavior of rustfmt (with a focus on what the defaults ought to be). See RFC 1607 for more details.

Edition 2018 feedback

Use this category to report your experiences, positive and negative, with the 2018 Edition! See this post for more.

guidelines

Discussion about the Rust Guidelines. Available rendered here and as source. Use the "style" subcategory as appropriate!