v1.20.0

1.20.0 (2026-05-08)

Features

• jsonrpc: add CustomHeader http.Header for multi-value headers (20b37ba)

Performance Improvements

• migrate to curve25519-voi for ed25519 operations (20713fb)

Internal

• refactor(base58): replace mr-tron/base58 with in-tree encoder

v1.19.0

1.19.0 (2026-04-23)

Features

• is token mint classifier (4f72982)

Bug Fixes

• enhance getUint64 function to handle string inputs (5309095)
• keep websocket request IDs within JSON-safe range (8ed3105)
• message: json version detection (1fd2201)
• message: use gojson (8d211d5)
• reject malformed ed25519 private keys in PrivateKeyFromBase58 (edcedcc)
• rpc: match ParsedTransactionMeta to TransactionMeta (a0f95c2)

Performance Improvements

• json: swap encoding/json and jsoniter for goccy/go-json (c445f76)
• transaction: add cap hints and use pk instead of str (91e8cec)

v1.18.0

1.18.0 (2026-04-16)

Features

• add getters to txn with meta (48d196b)
• add token-2022 extensions (04dfc79)
• add token-2022 extensions (db2fdaa)
• stake state types & ext tests (6325515)
• stake state types & ext tests (ea77e31)
• vote program complete (173d7f4)
• vote program complete (dcff584)

Bug Fixes

• allign rpc client with agave (49bc8d6)
• allign rpc client with agave (c985b99)
• memo program parity (f832bd8)
• memo program parity (7550777)

Performance Improvements

• message: eliminate complex scans, struct copies, and redundant allocs (aea7d1f)
• message: eliminate complex scans, struct copies, and redundant allocs (adbb10e)

v1.17.0

What's Changed

Performance

• 16x faster base58 encoding/decoding — migrated to fd_base58 algorithm (ported from Firedancer) with hand-written ARM64/AMD64 assembly. PublicKey.String() drops from 937ns to 57ns. by @sonicfromnewyoke in #379

Bug Fixes

• Fix SOL/WSOL address mismatch — SolMint and WrappedSol were incorrectly pointing to the same address by @sonicfromnewyoke in #378
• Fix message version detection and add transaction validation (Sanitize, HasDuplicates, VerifyWithResults) to match Rust SDK by @sonicfromnewyoke in #381
• Fix WebSocket client goroutine/channel leaks, race conditions, and premature Close() returns — now passes -race flag by @sonicfromnewyoke in #383
• Actualize SimulateTransaction to match official Solana RPC spec — added InnerInstructions, MinContextSlot, ReturnData, and more by @sonicfromnewyoke in #382

New Features

• Add SetLoadedAccountsDataSizeLimit instruction to compute budget program by @0xvbetsun in #310
• Add UpgradeNonceAccount instruction to system program by @datmedevil17 in #355
• Add token-program-aware ATA helpers for Token-2022 support by @lgalabru in #375
• Implement GetStakeMinimumDelegation RPC method by @sonicfromnewyoke in #372

Maintenance

• Replace deprecated Go patterns (ioutil → io, interface{} → any, sort.Slice → slices.SortFunc) by @sonicfromnewyoke in #373
• Actualize documentation — streamlined README from ~3,000 to ~865 lines, extracted 63 examples into testable functions by @sonicfromnewyoke in #372

Issues Closed

#311, #327, #334, #270, #350

New Contributors

• @0xvbetsun made their first contribution in #310
• @datmedevil17 made their first contribution in #355
• @lgalabru made their first contribution in #375

Full Changelog: v1.16.0...v1.17.0

v1.16.0

What's Changed

• Actualize RPC methods to match current Solana API spec by @sonicfromnewyoke in #363

This release updates RPC methods to align with the current Solana RPC API. Deprecated method names have been removed:

Removed	Use Instead
GetConfirmedBlock	GetBlock
GetRecentBlockhash	GetLatestBlockhash
GetConfirmedSignaturesForAddress2	GetSignaturesForAddressWithOpts
GetConfirmedTransaction	GetTransaction
CommitmentMax	CommitmentFinalized

If your code uses any of the removed methods, update to the new names listed above.

Full Changelog: v1.15.0...v1.16.0

v1.15.0

This release marks solana-go is now a core repo maintained by solana foundation and solana community under solana-foundation/solana-go. Contributions are welcome!
Special thanks to @gagliardetto for creating and maintaining this project over the years. His work has been the backbone of the Solana Go ecosystem. @jacobcreech

What's Changed

Bug Fixes

• Fix race condition in WebSocket subscription channel send by @bloXroute-Labs in #306
• Fix Mint.Decode pointer receiver reassignment by @nicholasgasior in #296
• Fix memo instruction length prefix encoding by @rickyrombo in #330
• Fix deterministic account sorting using bytes.Compare by @HealthyBuilder in #367
• Fix address lookup table ordering by @sonicfromnewyoke in #365

New Programs & Features

• Add Token-2022 (SPL Token 2022) program support by @sonicfromnewyoke in #360
• Add stake program instructions by @sonicfromnewyoke in #361
• Add address lookup table (ALT) instructions by @sonicfromnewyoke in #359
• Update associated token account program (CreateIdempotent) by @sonicfromnewyoke in #358
• Add sysvar constants by @sonicfromnewyoke in #362

Maintenance

• Remove defunct Serum DEX program by @sonicfromnewyoke in #357
• Upgrade Go minimum version to 1.24, update CI matrix by @sonicfromnewyoke in #369
• Bump vulnerable dependencies (x/crypto, x/net, grpc, jsonparser) by @sonicfromnewyoke in #370

New Contributors

• @bloXroute-Labs made their first contribution in #306
• @nicholasgasior made their first contribution in #296
• @rickyrombo made their first contribution in #330
• @sonicfromnewyoke made their first contribution in #357
• @HealthyBuilder made their first contribution in #367

Full Changelog: v1.14.0...v1.15.0

v1.14.0

What's Changed

• Add SetAccounts implementation to be able to access accounts for Create instruction after decoding by @marcin-cb in #337

New Contributors

• @marcin-cb made their first contribution in #337

Full Changelog: v1.13.0...v1.14.0

v1.13.0

What's Changed

• Fix nil pointer dereference in GetBinary (Fixes #264) by @sina-haseli in #265
• Add address lookup table program id by @patrulek in #266
• Added version information in MarshalWithEncoder, UnmarshalWithDecoder methods of GetTransactionResult by @newmanifold in #275
• Add number of reward partitions field to getBlock response by @OwenJacob in #263
• accountInfo struct refine by @wmh in #261
• Add SolDecimals constants by @taobig in #293

New Contributors

• @sina-haseli made their first contribution in #265
• @patrulek made their first contribution in #266
• @OwenJacob made their first contribution in #263
• @wmh made their first contribution in #261

Full Changelog: v1.12.0...v1.13.0

v1.12.0

What's Changed

• fix: Add ShortID option for some WebSocket RPC which not support int63/uint64 ID by @GoudanWoo in #179
• Update README.md by @taobig in #195
• fix: check if the channel is closed before returning ws.result to prevent panic by @mhughdo in #198
• fix pointer dereference partially by @0xcary in #201
• Subscribe block by @blockchain-develop in #203
• Add stack height to inner instruction by @sebkaluzny in #227
• fix memory leak in ws client by @SC4RECOIN in #228
• add stake program by @conorpp in #235
• Memo program support by @PlamenHristov in #240
• Fix PublicKey's UnmarshalBSONValue method by @newmanifold in #242
• RPC: Add MinContextSlot to GetMultipleAccountsWithOpts by @bruce-riley in #245
• add version and add program id in TokenBalance type by @verzth in #253
• Add ctx to Recv by @boolangery in #259
• Method to get the marketAuthority(PDA) from the Market Initialization by @andmart in #247

New Contributors

• @taobig made their first contribution in #195
• @mhughdo made their first contribution in #198
• @0xcary made their first contribution in #201
• @blockchain-develop made their first contribution in #203
• @sebkaluzny made their first contribution in #227
• @SC4RECOIN made their first contribution in #228
• @PlamenHristov made their first contribution in #240
• @newmanifold made their first contribution in #242
• @bruce-riley made their first contribution in #245
• @verzth made their first contribution in #253
• @boolangery made their first contribution in #259
• @andmart made their first contribution in #247

Full Changelog: v1.11.0...v1.12.0

v1.11.0

What's Changed

• fix panic by @abcdsxg in #218
• Fix order of signatures in PartialSign function by @VincentDebug in #225

New Contributors

• @abcdsxg made their first contribution in #218
• @VincentDebug made their first contribution in #225

Full Changelog: v1.10.0...v1.11.0