v0.37.1

Changelog

[0.37.1] - 2026-06-19

Added

• Add support for the SPL Token transfer fees extension instructions (#637)
• Add recent prioritization fees RPC helper (get_recent_prioritization_fees) (#633)
• Add min_context_slot parameter to get_signatures_for_address (#632)
• Add support for the latest SPL Token instructions (#609)
• Enhance transaction simulation with additional parameters (#583)
• Update get_vote_accounts to support all RPC parameters (#580)
• Add support for getSlotLeaders (#551)
• Improve Token 2022 support (#503)
• Add proxy support (#479)
• Websocket: return request Id on subscribe (#647)

Changed

• BREAKING: Drop support for Python 3.9
• Migrate to the httpx2 library
• Mark make_batch_request as deprecated (#648)
• Upgrade websockets version (#642)
• Migrate off Poetry to uv for package management and update dependencies (#638), (#640)
• Modernize code style (#643)
• Renovate test framework (#646)
• Add new_keypair as a signer when constructing an SPL create_wrapped_native_account transaction (#493)

Fixed

• Fix UnboundLocalError for resp when last_valid_block_height has already expired (#631)
• Preserve Solana exception messages (#629)
• Fix incorrect program ID in create_associated_token_account for TOKEN_2022_PROGRAM_ID (#518)

Docs

• Add cookbook (#567)
• Fix mkdocs gh-deploy by adding mkdocstrings-python dependency
• Fix send_transaction example (#539)

Dependencies

• Bump solders (0.23.0 → 0.27.1) (#515), (#520), (#604)
• Bump websockets (13.1 → 15.0.1) (#510), (#521), (#541)
• Bump construct-typing (0.5.2 → 0.7.0) (#559), (#600)
• Bump typing-extensions, mypy, pytest, and other dev/CI dependencies (various)

New Contributors

• @YouNesta made their first contribution in #485
• @awingkk made their first contribution in #493
• @rdong8 made their first contribution in #503
• @dependabot[bot] made their first contribution in #510
• @HarshalD1 made their first contribution in #518
• @hycinth22 made their first contribution in #539
• @kakagri made their first contribution in #551
• @HealthyBuilder made their first contribution in #567
• @chuwt made their first contribution in #568
• @SplitStakeValidator made their first contribution in #580
• @jzakirov made their first contribution in #583
• @bonlime made their first contribution in #609
• @genoshide made their first contribution in #629
• @mzl2233 made their first contribution in #633
• @Artemooon made their first contribution in #636
• @kingsznhone made their first contribution in #638

Full Changelog: https://github.com/michaelhly/solana-py/blob/master/CHANGELOG.md