1.11.1 (February 3rd, 2026)

• Fix integer overflow in BytesMut::reserve

1.11.0 (November 14th, 2025)

• Bump MSRV to 1.57 (#788)

Fixed

• fix: BytesMut only reuse if src has remaining (#803)
• Specialize BytesMut::put::<Bytes> (#793)
• Reserve capacity in BytesMut::put (#794)
• Change BytesMut::remaining_mut to use isize::MAX instead of usize::MAX (#795)

Internal changes

• Guarantee address in slice() for empty slices. (#780)
• Rename Vtable::to_* -> Vtable::into_* (#776)
• Fix latest clippy warnings (#787)
• Ignore BytesMut::freeze doctest on wasm (#790)
• Move drop_fn of from_owner into vtable (#801)

1.10.1 (March 5th, 2025)

Fixed

• Fix memory leak when using to_vec with Bytes::from_owner (#773)

1.10.0 (February 3rd, 2025)

Added

• Add feature to support platforms without atomic CAS (#467)
• try_get_* methods for Buf trait (#753)
• Implement Buf::chunks_vectored for Take (#617)
• Implement Buf::chunks_vectored for VecDeque<u8> (#708)

Fixed

• Remove incorrect guarantee for chunks_vectored (#754)
• Ensure that tests pass under panic=abort (#749)

1.9.0 (November 27, 2024)

Added

• Add Bytes::from_owner to enable externally-allocated memory (#742)

Documented

• Fix typo in Buf::chunk() comment (#744)

Internal changes

• Replace BufMut::put with BufMut::put_slice in Writer impl (#745)
• Rename hex_impl! to fmt_impl! and reuse it for fmt::Debug (#743)

1.8.0 (October 21, 2024)

• Guarantee address in split_off/split_to for empty slices (#740)

1.7.2 (September 17, 2024)

Fixed

• Fix default impl of Buf::{get_int, get_int_le} (#732)

Documented

• Fix double spaces in comments and doc comments (#731)

Internal changes

• Ensure BytesMut::advance reduces capacity (#728)

1.7.1 (August 1, 2024)

This release reverts the following change due to a regression:

• Reuse capacity when possible in <BytesMut as Buf>::advance impl (#698)

The revert can be found at #726.

1.7.0 (July 31, 2024)

Added

• Add conversion from Bytes to BytesMut (#695, #710)
• Add reclaim method without additional allocation (#686)

Documented

• Clarify how BytesMut::zeroed works (#714)
• Clarify the behavior of Buf::chunk (#717)

Changed

• Change length condition of BytesMut::truncate
• Reuse capacity when possible in <BytesMut as Buf>::advance impl (#698)
• Improve must_use suggestion of BytesMut::split (#699)

Internal changes

• Use ManuallyDrop instead of mem::forget (#678)
• Don't set len in BytesMut::reserve (#682)
• Optimize Bytes::copy_to_bytes (#688)
• Refactor BytesMut::truncate (#694)
• Refactor BytesMut::resize (#696)
• Reorder assertion in Bytes::split_to, Bytes::split_off (#689, #693)
• Use offset_from in more places (#705)
• Correct the wrong usage of IntoIter (#707)

This release fixes a bug where Bytes::is_unique returns incorrect values when the Bytes originates from a shared BytesMut. (#718)