Bytes v1.11.0

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)

Bytes v1.10.1

1.10.1 (March 5th, 2025)

Fixed

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

Bytes v1.10.0

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)

Bytes v1.9.0

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)

Bytes 1.8.0

1.8.0 (October 21, 2024)

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

Bytes 1.7.2

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)

Bytes 1.7.1

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.

Bytes 1.7.0

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)

Bytes 1.6.1

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

Bytes 1.6.0 (March 22, 2024)

Added

• Add Bytes::is_unique (#643)

Documented

• Fix changelog typo (#628)
• Fix some spelling mistakes (#633)
• Typo fix (#637)
• Fix broken links (#639)
• Add security policy (#649)

Internal changes

• Move comment to correct constant (#629)
• Various cleanup (#635)
• Simplify UninitSlice::as_uninit_slice_mut() logic (#644)
• Use self. instead of Self:: (#642)
• BytesMut: Assert alignment of Shared (#652)
• Remove unnecessary namespace qualifier (#660)
• Remove an unnecessary else branch (#662)
• Remove unreachable else branch (#661)
• make parameter mut in From<Vec> (#667)
• Restore commented tests (#665)
• Use sub instead of offset (#668)
• Calculate original capacity only if necessary (#666)
• set_vec_pos does not need a second parameter (#672)
• get_vec_pos: use &self instead of &mut self (#670)
• Refactor split_at/split_to (#663)
• Use Iterator from the prelude (#673)
• copy_to_bytes: Add panic section to docs (#676)
• Remove redundant reserve call (#674)
• Use ManuallyDrop instead of mem::forget (#675)