Latest Release

v2.6.0 (since v2.5.3)
Added

Browser & Testing  
test:prepare script to download Chromium binaries for browser tests  
Removed test/__screenshots__/ and deprecated browser-integration project  
Separate integration projects (work around CLI-excludes)  
Formatting & Linting  
.editorconfig file  
Switched to short-form array syntax & trailingComma=all (Prettier v3 default)  
TSDOC formatting via Prettier, removed unused packages  
Prettier v3 + ESLint integration (plugins, rules for type imports/exports)  
CI & Tooling  
Linting CI check, lint, format, api:check chore scripts  
Updated Vitest (no-nodejs-modules rule, browser fixes)  
Engine bumped to ≥22.4.0, GH workflows → v22  
New APIs  
onClose method on WSConnection  
Logger class + replaced all console statements  
measureTime utility function  
Crypto / Wallet  
P2PK multisig support (NUT-11):  

getP2PKWitnessPubkeys / getP2PKWitnessRefundkeys with beStrict option  


RGLI algorithm for selectProofsToSend() (coin-selection) + tests  

Changed

Removed .js extensions on imports  
Modular-exports refactor (replaced manual exports)  
API updates: stricter Error type in OnOpenError, changed logger signature, deprecations & TSDOC notes  
Engine/workflows bumped as above  

Fixed

Merge-commit fixes for Playwright & styles  
Lint warnings/errors across WebSocket, JSON-RPC, CBOR modules  
Browser-testing quirks & API-extractor CI failures  
Coin-selection bugs (replacement logic, max-over-amount, fee calculations)  
Unsubscribe on closed socket no longer throws  

What's Changed

[FIX] Proof Selection and Fee Calculation by @lollerfirst in https://github.com/cashubtc/cashu-ts/pull/312
Modular exports by @gandlafbtc in https://github.com/cashubtc/cashu-ts/pull/297
Remove stripDleq from CashuWallet.send by @Egge21M in https://github.com/cashubtc/cashu-ts/pull/309
Ensure active keyset chosen has the wallet unit by @robwoodgate in https://github.com/cashubtc/cashu-ts/pull/300
Added NUT-11 P2PK multisig support and corresponding tests by @robwoodgate in https://github.com/cashubtc/cashu-ts/pull/299
New online swap order by @lollerfirst in https://github.com/cashubtc/cashu-ts/pull/319
Streamline API-Extractor flow by @Egge21M in https://github.com/cashubtc/cashu-ts/pull/326
Adds Logger Interface and ConsoleLogger class to make logging opt-in and flexible by @robwoodgate in https://github.com/cashubtc/cashu-ts/pull/324
Don't throw when unsubscribe is attempted on non open socket by @jbojcic1 in https://github.com/cashubtc/cashu-ts/pull/316
Implements RGLI algorithm for selectProofsToSend(), plus tests by @robwoodgate in https://github.com/cashubtc/cashu-ts/pull/314
Add onClose method to WSConnection by @gudnuf in https://github.com/cashubtc/cashu-ts/pull/329
Move to extensionless imports by @robwoodgate in https://github.com/cashubtc/cashu-ts/pull/335
Fix linting errors by @robwoodgate in https://github.com/cashubtc/cashu-ts/pull/333

Full Changelog: https://github.com/cashubtc/cashu-ts/compare/v2.5.3...v2.6.0