# MIR Specification

**URL:** <https://internals.rust-lang.org/t/mir-specification/6111>\
**Category:** compiler\
**Created:** [October 25, 2017, 6:34am UTC](https://internals.rust-lang.org/t/mir-specification/6111 "2017-10-25T06:34:23Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![earthengine](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/earthengine/32/2577_2.png) [@earthengine](https://internals.rust-lang.org/u/earthengine)\
**Post date:** [July 7, 2018, 10:24pm UTC](https://internals.rust-lang.org/t/mir-specification/6111/5 "2018-07-07T22:24:05Z")

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As we will soon have a LTS (Rust 2018) version, I believe this is a good time to freeze MIR for this version at least, and also provide a comprehensive language specification. This will allow third party development and keep the mainstream development the same way we have today.

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