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release: do CHANGELOG for 0.28.0

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Andrew Poelstra 2022-04-05 20:38:23 +00:00
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CHANGELOG.md
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# 0.28 - 2021-04-05 "The Taproot Release"
At nearly nine months, this is our longest release cycle ever, and thanks
to a huge increase in the number of active contributors this year and last,
it is also **by far** our largest release ever, at 148 PRs merged from 23
different contributors. Our primary goal in this release was to introduce
support for Taproot and its associated data structures: addresses, taptrees,
sighashes, PSBT fields, and more. As it turned out, these changes required
(or at least, incentivized) changing a lot of our APIs, causing a significant
increase in scope.
We have more big changes coming down the pike. 2022 is going to be a big
year for `rust-bitcoin`, which we know is exciting for us but disruptive to
downstream users who ultimately want the library to just wark. Our hope is
that by 2023 we will have eliminated large amounts of technical debt,
modernized our APIs to meet current Rust conventions, and clarified the scope
of the individual crates in this ecosystem while still providing the essential
functionality needed by our downstream users, especially wallet projects.
We will also develop a plan to make our releases more predictable and manageable,
likely by having scheduled releases with limited scope. We would like to reach
a point where we no longer have frequent breaking releases, but right now we
are nowhere close.
Upcoming changes will include
- A quick new release which updates our MRSV from 1.29 to 1.41 and does little else
- Updating our codebase to take advantage of the new MSRV, especially regarding
nostd and wasm support
- A comprehensive rethinking and flattening of our public-facing APIs
- Richer support for PSBT, Script, and BIP-0340/Schnorr signatures
With so many changes since 0.27, we cannot list every PR. Here are the highlights:
- Remove dangerous `fuzztarget` cargo feature [#634](https://github.com/rust-bitcoin/rust-bitcoin/pull/634)
- Improve serde serialization for `Script` [#596](https://github.com/rust-bitcoin/rust-bitcoin/pull/596)
- Documentation improvements [#623](https://github.com/rust-bitcoin/rust-bitcoin/pull/623) [#633](https://github.com/rust-bitcoin/rust-bitcoin/pull/633) [#663](https://github.com/rust-bitcoin/rust-bitcoin/pull/663) [#689](https://github.com/rust-bitcoin/rust-bitcoin/pull/689) [#704](https://github.com/rust-bitcoin/rust-bitcoin/pull/704) [#744](https://github.com/rust-bitcoin/rust-bitcoin/pull/744) [#852](https://github.com/rust-bitcoin/rust-bitcoin/pull/852) [#869](https://github.com/rust-bitcoin/rust-bitcoin/pull/869) [#865](https://github.com/rust-bitcoin/rust-bitcoin/pull/865) [#864](https://github.com/rust-bitcoin/rust-bitcoin/pull/864) [#858](https://github.com/rust-bitcoin/rust-bitcoin/pull/858) [#806](https://github.com/rust-bitcoin/rust-bitcoin/pull/806) [#877](https://github.com/rust-bitcoin/rust-bitcoin/pull/877) [#912](https://github.com/rust-bitcoin/rust-bitcoin/pull/912) [#923](https://github.com/rust-bitcoin/rust-bitcoin/pull/923)
- Introduce `WitnessVersion` type [#617](https://github.com/rust-bitcoin/rust-bitcoin/pull/617)
- Improve error types and API [#625](https://github.com/rust-bitcoin/rust-bitcoin/pull/625)
- Implement `Block.get_strippedsize()` and `Transaction.get_vsize()` [#626](https://github.com/rust-bitcoin/rust-bitcoin/pull/626)
- Add Bloom filter network messages [#580](https://github.com/rust-bitcoin/rust-bitcoin/pull/580)
- **Taproot:** add signature hash support [#628](https://github.com/rust-bitcoin/rust-bitcoin/pull/628) [#702](https://github.com/rust-bitcoin/rust-bitcoin/pull/702) [#722](https://github.com/rust-bitcoin/rust-bitcoin/pull/722) [#835](https://github.com/rust-bitcoin/rust-bitcoin/pull/835) [#903](https://github.com/rust-bitcoin/rust-bitcoin/pull/903) [#796](https://github.com/rust-bitcoin/rust-bitcoin/pull/796)
- **Taproot:** add new Script opcodes [#644](https://github.com/rust-bitcoin/rust-bitcoin/pull/644) [#721](https://github.com/rust-bitcoin/rust-bitcoin/pull/721) [#868](https://github.com/rust-bitcoin/rust-bitcoin/pull/868) [#920](https://github.com/rust-bitcoin/rust-bitcoin/pull/920)
- **Taproot:** add bech32m support, addresses and new key types [#563](https://github.com/rust-bitcoin/rust-bitcoin/pull/563) [#691](https://github.com/rust-bitcoin/rust-bitcoin/pull/691) [#697](https://github.com/rust-bitcoin/rust-bitcoin/pull/697) [#728](https://github.com/rust-bitcoin/rust-bitcoin/pull/728) [#696](https://github.com/rust-bitcoin/rust-bitcoin/pull/696) [#757](https://github.com/rust-bitcoin/rust-bitcoin/pull/757)
- **Taproot:** add taptree data structures [#677](https://github.com/rust-bitcoin/rust-bitcoin/pull/677) [#703](https://github.com/rust-bitcoin/rust-bitcoin/pull/703) [#701](https://github.com/rust-bitcoin/rust-bitcoin/pull/701) [#718](https://github.com/rust-bitcoin/rust-bitcoin/pull/718) [#845](https://github.com/rust-bitcoin/rust-bitcoin/pull/845) [#901](https://github.com/rust-bitcoin/rust-bitcoin/pull/901) [#910](https://github.com/rust-bitcoin/rust-bitcoin/pull/910) [#909](https://github.com/rust-bitcoin/rust-bitcoin/pull/909) [#914](https://github.com/rust-bitcoin/rust-bitcoin/pull/914)
- no-std improvements [#637](https://github.com/rust-bitcoin/rust-bitcoin/pull/637)
- PSBT improvements, including Taproot [#654](https://github.com/rust-bitcoin/rust-bitcoin/pull/654) [#681](https://github.com/rust-bitcoin/rust-bitcoin/pull/681) [#669](https://github.com/rust-bitcoin/rust-bitcoin/pull/669) [#774](https://github.com/rust-bitcoin/rust-bitcoin/pull/774) [#779](https://github.com/rust-bitcoin/rust-bitcoin/pull/779) [#752](https://github.com/rust-bitcoin/rust-bitcoin/pull/752) [#776](https://github.com/rust-bitcoin/rust-bitcoin/pull/776) [#790](https://github.com/rust-bitcoin/rust-bitcoin/pull/790) [#836](https://github.com/rust-bitcoin/rust-bitcoin/pull/836) [#847](https://github.com/rust-bitcoin/rust-bitcoin/pull/847) [#842](https://github.com/rust-bitcoin/rust-bitcoin/pull/842)
- serde improvements [#672](https://github.com/rust-bitcoin/rust-bitcoin/pull/672)
- Update rust-secp256k1 dependency [#694](https://github.com/rust-bitcoin/rust-bitcoin/pull/694) [#755](https://github.com/rust-bitcoin/rust-bitcoin/pull/755) [#875](https://github.com/rust-bitcoin/rust-bitcoin/pull/875)
- Change BIP32 to use rust-secp256k1 keys rather than rust-bitcoin ones (no compressedness flag) [#590](https://github.com/rust-bitcoin/rust-bitcoin/pull/590) [#591](https://github.com/rust-bitcoin/rust-bitcoin/pull/591)
- Rename inner key field in `PrivateKey` and `PublicKey` [#762](https://github.com/rust-bitcoin/rust-bitcoin/pull/762)
- Address and denomination related changes [#768](https://github.com/rust-bitcoin/rust-bitcoin/pull/768) [#784](https://github.com/rust-bitcoin/rust-bitcoin/pull/784)
- Don't allow hybrid EC keys [#829](https://github.com/rust-bitcoin/rust-bitcoin/pull/829)
- Change erroneous behavior for `SIGHASH_SINGLE` bug [#860](https://github.com/rust-bitcoin/rust-bitcoin/pull/860) [#897](https://github.com/rust-bitcoin/rust-bitcoin/pull/897)
- Delete the deprecated `contracthash` module [#871](https://github.com/rust-bitcoin/rust-bitcoin/pull/871); this functionality will migrate to ElementsProject/rust-elements
- Remove compilation-breaking feature-gated enum variants [#881](https://github.com/rust-bitcoin/rust-bitcoin/pull/881)
Additionally we made several minor API changes (renaming methods, etc.) to improve
compliance with modern Rust conventions. Where possible we left the existing methods
in place, marked as deprecated.
# 0.27 - 2021-07-21
- [Bigendian fixes and CI test](https://github.com/rust-bitcoin/rust-bitcoin/pull/627)