npm / @stacks/transactions
@stacks/transactions
What changed in @stacks/transactions 3 to 7, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-26.
3 breaking5 new APIs and options1 behavior and defaults3 fixes and other
See which of these apply to your code, ranked, in your agent:
npx @unstale/cli init@stacks/transactions 72 changes
New APIs and options 2
Adds ClarityVersion.Clarity6, enabled with Epoch 4.0.
Adds SIP-044 staking and PoX post-conditions with builder support for locking STX and specifying whether a transaction will, will not, or may perform PoX.
@stacks/transactions 310 changes
Breaking changes 3
Auth is no longer mutated.
Authorization changes from a class to a functional interface, requiring developers to adapt code that used the class.
Fee estimation uses the /v2/fees/transaction endpoint.
New APIs and options 3
Adds an unsigned equivalent of make contract deploy.
Can now be constructed with a partially signed multi-sig transaction.
Adds verifyMultiSig().
Behavior and default changes 1
Adds address and signer verification to verifySingleSig().
Fixes and other changes 3
Improves the oversign check so fields that are not a MessageSignature do not count in the overlap check.
Checks whether a spending condition has too many signatures.
Returns the correct signature in sponsored spending conditions.