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Move the layout change to 1.67 compat notes

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Josh Stone 2023-01-21 15:08:48 -08:00
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commit b9be9e5fd1
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RELEASES.md
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@ -71,6 +71,11 @@ These APIs are now stable in const contexts:
Compatibility Notes Compatibility Notes
------------------- -------------------
- [The layout of `repr(Rust)` types now groups m\*2^n-sized fields with
equivalently aligned ones.](https://github.com/rust-lang/rust/pull/102750/)
This is intended to be an optimization, but it is also known to increase type
sizes in a few cases for the placement of enum tags. As a reminder, the layout
of `repr(Rust)` types is an implementation detail, subject to change.
- [0.5 now rounds to 0 when formatted to 0 decimal places.](https://github.com/rust-lang/rust/pull/102935/) - [0.5 now rounds to 0 when formatted to 0 decimal places.](https://github.com/rust-lang/rust/pull/102935/)
This makes it consistent with the rest of floating point formatting that This makes it consistent with the rest of floating point formatting that
rounds ties toward even digits. rounds ties toward even digits.