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)

1.6.1 (July 13, 2024)

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

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)

1.5.0 (September 7, 2023)

Added

Add UninitSlice::{new,uninit} (#598, #599)
Implement BufMut for &mut [MaybeUninit<u8>] (#597)

Changed

Mark BytesMut::extend_from_slice as inline (#595)

1.4.0 (January 31, 2023)

Added

Make IntoIter constructor public (#581)

Fixed

Avoid large reallocations when freezing BytesMut (#592)

Documented

Document which functions require std (#591)
Fix duplicate “the the” typos (#585)

1.3.0 (November 20, 2022)

Added

Rename and expose BytesMut::spare_capacity_mut (#572)
Implement native-endian get and put functions for Buf and BufMut (#576)

Fixed

Don't have important data in unused capacity when calling reserve (#563)

Documented

Bytes::new etc should return Self not Bytes (#568)

1.2.1 (July 30, 2022)

Fixed

Fix unbounded memory growth when using reserve (#560)

1.2.0 (July 19, 2022)

Added

Add BytesMut::zeroed (#517)
Implement Extend<Bytes> for BytesMut (#527)
Add conversion from BytesMut to Vec<u8> (#543, #554)
Add conversion from Bytes to Vec<u8> (#547)
Add UninitSlice::as_uninit_slice_mut() (#548)
Add const to Bytes::{len,is_empty} (#514)

Changed

Reuse vector in BytesMut::reserve (#539, #544)

Fixed

Make miri happy (#515, #523, #542, #545, #553)
Make tsan happy (#541)
Fix remaining_mut() on chain (#488)
Fix amortized asymptotics of BytesMut (#555)

Documented

Redraw layout diagram with box drawing characters (#539)
Clarify BytesMut::unsplit docs (#535)

1.1.0 (August 25, 2021)

Added

BufMut::put_bytes(self, val, cnt) (#487)
Implement From<Box<[u8]>> for Bytes (#504)

Changed

Override put_slice for &mut [u8] (#483)
Panic on integer overflow in Chain::remaining (#482)
Add inline tags to UninitSlice methods (#443)
Override copy_to_bytes for Chain and Take (#481)
Keep capacity when unsplit on empty other buf (#502)

Documented

Clarify BufMut allocation guarantees (#501)
Clarify BufMut::put_int behavior (#486)
Clarify actions of clear and truncate. (#508)

1.0.1 (January 11, 2021)

Changed

mark Vec::put_slice with #[inline] (#459)

Fixed

Fix deprecation warning (#457)
use Box::into_raw instead of mem::forget-in-disguise (#458)

1.0.0 (December 22, 2020)

Changed

Rename Buf/BufMut methods bytes() and bytes_mut() to chunk() and chunk_mut() (#450)

Removed

remove unused Buf implementation. (#449)

0.6.0 (October 21, 2020)

API polish in preparation for a 1.0 release.

Changed

BufMut is now an unsafe trait (#432).
BufMut::bytes_mut() returns &mut UninitSlice, a type owned by bytes to avoid undefined behavior (#433).
Buf::copy_to_bytes(len) replaces Buf::into_bytes() (#439).
Buf/BufMut utility methods are moved onto the trait and *Ext traits are removed (#431).

Removed

BufMut::bytes_vectored_mut() (#430).
new methods on combinator types (#434).

0.5.6 (July 13, 2020)

Improve BytesMut to reuse buffer when fully advanced.
Mark BytesMut::{as_mut, set_len} with #[inline].
Relax synchronization when cloning in shared vtable of Bytes.
Move loom to dev-dependencies.

0.5.5 (June 18, 2020)

Added

Allow using the serde feature in no_std environments (#385).

Fix

Fix BufMut::advance_mut to panic if advanced passed the capacity (#354)..
Fix BytesMut::freeze ignoring amount previously advanced (#352).

0.5.4 (January 23, 2020)

Added

Make Bytes::new a const fn.
Add From<BytesMut> for Bytes.

Fix

Fix reversed arguments in PartialOrd for Bytes.
Fix Bytes::truncate losing original capacity when repr is an unshared Vec.
Fix Bytes::from(Vec) when allocator gave Vec a pointer with LSB set.
Fix panic in Bytes::slice_ref if argument is an empty slice.

0.5.3 (December 12, 2019)

Added

must_use attributes to split, split_off, and split_to methods (#337).

Fix

Potential freeing of a null pointer in Bytes when constructed with an empty Vec<u8> (#341, #342).
Calling Bytes::truncate with a size large than the length will no longer clear the Bytes (#333).

0.5.2 (November 27, 2019)

Added

Limit methods into_inner, get_ref, get_mut, limit, and set_limit (#325).

0.5.1 (November 25, 2019)

Fix

Growth documentation for BytesMut (#321)

0.5.0 (November 25, 2019)

Fix

Potential overflow in copy_to_slice

Changed

Increased minimum supported Rust version to 1.39.
Bytes is now a “trait object”, allowing for custom allocation strategies (#298)
BytesMut implicitly grows internal storage. remaining_mut() returns usize::MAX (#316).
BufMut::bytes_mut returns &mut [MaybeUninit<u8>] to reflect the unknown initialization state (#305).
Buf / BufMut implementations for &[u8] and &mut [u8] respectively (#261).
Move Buf / BufMut “extra” functions to an extension trait (#306).
BufMutExt::limit (#309).
Bytes::slice takes a RangeBounds argument (#265).
Bytes::from_static is now a const fn (#311).
A multitude of smaller performance optimizations.

Added

no_std support (#281).
get_*, put_*, get_*_le, and put_*le accessors for handling byte order.
BorrowMut implementation for BytesMut (#185).

Removed

IntoBuf (#288).
Buf implementation for &str (#301).
byteorder dependency (#280).
iovec dependency, use std::IoSlice instead (#263).
optional either dependency (#315).
optional i128 feature -- now available on stable. (#276).

0.4.12 (March 6, 2019)

Added

Implement FromIterator<&'a u8> for BytesMut/Bytes (#244).
Implement Buf for VecDeque (#249).

0.4.11 (November 17, 2018)

Use raw pointers for potentially racy loads (#233).
Implement BufRead for buf::Reader (#232).
Documentation tweaks (#234).

0.4.10 (September 4, 2018)

impl Buf and BufMut for Either (#225).
Add Bytes::slice_ref (#208).

0.4.9 (July 12, 2018)

Add 128 bit number support behind a feature flag (#209).
Implement IntoBuf for &mut [u8]

0.4.8 (May 25, 2018)

Fix panic in BytesMut FromIterator implementation.
Bytes: Recycle space when reserving space in vec mode (#197).
Bytes: Add resize fn (#203).

0.4.7 (April 27, 2018)

Make Buf and BufMut usable as trait objects (#186).
impl BorrowMut for BytesMut (#185).
Improve accessor performance (#195).

0.4.6 (Janary 8, 2018)

Implement FromIterator for Bytes/BytesMut (#148).
Add advance fn to Bytes/BytesMut (#166).
Add unsplit fn to BytesMut (#162, #173).
Improvements to Bytes split fns (#92).

0.4.5 (August 12, 2017)

Fix range bug in Take::bytes
Misc performance improvements
Add extra PartialEq implementations.
Add Bytes::with_capacity
Implement AsMut[u8] for BytesMut

0.4.4 (May 26, 2017)

Add serde support behind feature flag
Add extend_from_slice on Bytes and BytesMut
Add truncate and clear on Bytes
Misc additional std trait implementations
Misc performance improvements

0.4.3 (April 30, 2017)

Fix Vec::advance_mut bug
Bump minimum Rust version to 1.15
Misc performance tweaks

0.4.2 (April 5, 2017)

Misc performance tweaks
Improved Debug implementation for Bytes
Avoid some incorrect assert panics

0.4.1 (March 15, 2017)

Expose buf module and have most types available from there vs. root.
Implement IntoBuf for T: Buf.
Add FromBuf and Buf::collect.
Add iterator adapter for Buf.
Add scatter/gather support to Buf and BufMut.
Add Buf::chain.
Reduce allocations on repeated calls to BytesMut::reserve.
Implement Debug for more types.
Remove Source in favor of IntoBuf.
Implement Extend for BytesMut.

0.4.0 (February 24, 2017)

Initial release