chore(main): release 1.20.0

[github-actions]

🤖 I have created a release beep boop

1.20.0 (2026-04-27)

Features

• actualize alut program (9e89b53)
• actualize alut program (4e693d6)
• actualize ata program (1b2dbbd)
• actualize ata program (983d6ef)
• actualize rpc methods (46f9602)
• actualize rpc methods (2e23eea)
• actualize stake program (c950396)
• actualize stake program (419521a)
• actualize sysvar constants (9345f26)
• actualize sysvar constants (653c634)
• Add .Response() and .Err() method for all subscriber (#177) (a8900f8)
• add getters to txn with meta (48d196b)
• add maxSupportedTransactionVersion to getParsedTransaction opt (#143) (4493616)
• Add SetAccounts implementation to be able to access accounts for Create instruction after decoding (#337) (ac7125b)
• add SetLoadedAccountsDataSizeLimitInstruction (7926abb)
• add SetLoadedAccountsDataSizeLimitInstruction (3433ac4)
• add support for getRecentPrioritizationFees RPC method (#140) (290a21a)
• add t22 program (abdc7b7)
• add t22 program (485ceb4)
• add token-2022 extensions (04dfc79)
• add token-2022 extensions (db2fdaa)
• added maxSupportedTransactionVersion field to getBlock opts (6ead48a)
• associated-token-account: add token program aware ata helpers (f0960f5)
• associated-token-account: add token program aware ata helpers (3cb13b3)
• Introduce instruction to upgrade legacy nonce accounts. (c9270cd)
• Introduce instruction to upgrade legacy nonce accounts. (da05bb9)
• is token mint classifier (4f72982)
• is token mint classifier (4920307)
• send tx V0 with AddressLookupTable (bbd443b)
• stake state types & ext tests (6325515)
• stake state types & ext tests (ea77e31)
• support ComputeBudgetProgram instructions (#132) (1985c48)
• support partial sign & marshal partial signed transaction (5eb8de2)
• vote program complete (173d7f4)
• vote program complete (dcff584)

Bug Fixes

• actualize simulate transaction (364496d)
• actualize simulate transaction (48975d7)
• Add ShortID option for some WebSocket RPC which not support int63/uint64 ID (#179) (e1dd29f)
• allign rpc client with agave (49bc8d6)
• allign rpc client with agave (c985b99)
• check if the channel is closed before returning ws.result (#198) (6beb7f8)
• correct go.mod format and update CI matrix for Go 1.23+ (eced08f)
• correct simulateTransaction response payload decoding (06aad92)
• enhance getUint64 function to handle string inputs (5309095)
• Handle client.newRequest returning nil request (7a0f053)
• Handle client.newRequest returning nil request (0e0d186)
• keep websocket request IDs within JSON-safe range (8ed3105)
• lint error (add9aa5)
• lookup tables ordering (1ba0d4b)
• lookup tables ordering (f304171)
• memo program parity (f832bd8)
• memo program parity (7550777)
• message bugs (9ef2d24)
• message: json version detection (1fd2201)
• message: json version detection (7b75471)
• message: use gojson (8d211d5)
• missing signer message (285a29f)
• msg/txn inconsistencies with original SDK (88a5b52)
• panics in non-Must* functions (bdd6a7d)
• panics in non-Must* functions (e17cd73)
• reject malformed ed25519 private keys in PrivateKeyFromBase58 (edcedcc)
• remove toolchain directive and update CI matrix for Go 1.23+ (eaf3272)
• rpc: match ParsedTransactionMeta to TransactionMeta (a0f95c2)
• rpc: match ParsedTransactionMeta to TransactionMeta (60ccd62), closes #284
• simulateTransaction response decoding (3e39c80)
• sol/wsol addresses mismatch (ae53ea9)
• sol/wsol addresses mismatch (b4796db)
• use bytes.Compare for deterministic account sort + update tests (99a66fb)
• use bytes.Compare for deterministic account sort + update tests (cb87ac7)
• ws race and leak fixes (4370b70)
• ws race and leak fixes (6be3404)

Performance Improvements

• json: swap encoding/json and jsoniter for goccy/go-json (c445f76)
• json: swap encoding/json and jsoniter for goccy/go-json (2afb213)
• message: eliminate complex scans, struct copies, and redundant allocs (aea7d1f)
• message: eliminate complex scans, struct copies, and redundant allocs (adbb10e)
• migrate and use fd_base58 algo (801a013)
• migrate to curve25519-voi for ed25519 operations (20713fb)
• transaction: add cap hints and use pk instead of str (91e8cec)
• transaction: add cap hints and use pk instead of str (05c352e)
• use fd_base58 algo (689623d)

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