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Sourced from o1js's changelog.

1.2.0 - 2024-05-14

Added

• Offchain state MVP exported under Experimental.OffchainState o1-labs/o1js#1630 o1-labs/o1js#1652
  • allows you to store any number of fields and key-value maps on your zkApp
  • implemented using actions which define an offchain Merkle tree
• Option for defining an optional version of any provable type o1-labs/o1js#1630
• MerkleTree.clone() and MerkleTree.getLeaf(), new convenience methods for merkle trees o1-labs/o1js#1630
• MerkleList.forEach(), a simple and safe way for iterating over a MerkleList
• Unconstrained.provableWithEmpty() to create an unconstrained provable type with a known empty() value o1-labs/o1js#1630
• Permissions.VerificationKey, a namespace for verification key permissions o1-labs/o1js#1639
  • Includes more accurate names for the impossible and proof permissions for verification keys, which are now called impossibleDuringCurrentVersion and proofDuringCurrentVersion respectively.

Changed

• State() now optionally accepts an initial value as input parameter o1-labs/o1js#1630
  • Example: @state(Field) x = State(Field(1));
  • Initial values will be set in the default init() method
  • You no longer need a custom init() method to set initial values

Fixes

• Fix absolute imports which prevented compilation in some TS projects that used o1js o1-labs/o1js#1628

1.1.0 - 2024-04-30

Added

• Exposed sideloaded verification keys o1-labs/o1js#1606 @​rpanic
  • Added Proof type DynamicProof that allows verification through specifying a verification key in-circuit
• Provable.witnessFields() to easily witness a tuple of field elements o1-labs/o1js#1229
• Example for implementing RSA verification in o1js o1-labs/o1js#1229 @​Shigoto-dev19
  • Check out https://github.com/o1-labs/o1js/blob/main/src/examples/crypto/rsa/rsa.ts and tests in the same folder

Changed

• Gadgets.rangeCheck64() now returns individual range-checked limbs for advanced use cases o1-labs/o1js#1229

Fixed

• Fixed issue in UInt64.rightShift() where it incorrectly performed a left shift instead of a right shift. o1-labs/o1js#1617
• Fixed issue in ForeignField.toBits() where high limbs were under-constrained for input length less than 176. o1-labs/o1js#1617
• Make dummyBase64Proof() lazy. Significant speed up when generating many account updates with authorization Proof while proofs turned off. o1-labs/o1js#1624

1.0.1 - 2024-04-22

Breaking changes

• Native curve improvements o1-labs/o1js#1530

... (truncated)

• 6a10121 1.2.0
• 4124445 minor comment
• 036d798 tweak test
• 5ae2efd further tweak option type
• eafddc6 change and fix test
• fc646d3 fix: convert field elements to constants when moving out of circuit
• 39307c1 failing, more complex test
• c18fbe6 export offchain state, add doccomments
• 49cf11a set -> overwrite plus scary doccomments
• cd9a68a remove debug logs
• Additional commits viewable in compare view

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