> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/solana-foundation/anchor/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Track Anchor framework releases and breaking changes

All notable changes to Anchor are documented here. For detailed release notes, see the [GitHub releases](https://github.com/solana-foundation/anchor/releases).

## Version 0.32.1 (2025-01-09)

### Fixes

* Fixed deprecation warnings on alloc
* Fixed race condition during program deployment

## Version 0.32.0 (2025-01-08)

### Features

* Added `#[error]` attribute to `declare_program!`
* Replaced `anchor verify` with `solana-verify`
* Made `anchor deploy` upload IDL by default
* Added generic program validation to `Program` type
* Built IDL on stable Rustc
* Added support for Bun package manager
* Added `hooks` section to `Anchor.toml`

### Breaking Changes

* `anchor verify` now uses `solana-verify`
* IDL uploaded by default on deploy
* Removed Solang support
* Removed `anchor publish` command

## Version 0.31.1 (2025-04-19)

### Features

* New Docker image: `solanafoundation/anchor`
* Provider requires publicKey instead of wallet

### Notes

* Anchor now published under `solanafoundation` organization

## Version 0.31.0 (2025-03-08)

### Features

* Non-8-byte discriminator support
* `LazyAccount` for deferred deserialization
* `#[instruction]` attribute for custom discriminators
* Mollusk test template
* Shell completions via `anchor completions`
* AVM downloads binaries by default

### Breaking Changes

* Dynamic discriminator lengths
* Removed fallback function shortcut

## Older versions

<Accordion title="Version 0.30.x">
  ### Version 0.30.1

  * Solana 1.18 compatibility
  * Token-2022 program interface support

  ### Version 0.30.0

  * Account resolution improvements
  * IDL-based account resolution
  * Enhanced PDA support
</Accordion>

<Accordion title="Version 0.29.x">
  ### Version 0.29.0

  * Solana 1.17 support
  * Improved error messages
  * Better TypeScript types
</Accordion>

## Migration guides

See [Migration Guides](/resources/migration-guides) for detailed upgrade instructions between major versions.

## Full changelog

View the complete changelog on [GitHub](https://github.com/solana-foundation/anchor/blob/master/CHANGELOG.md).