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Sourced from o1js's changelog.

1.3.0

Added

• Added base64Encode() and base64Decode(byteLength) methods to the Bytes class. o1-labs/o1js#1659

Fixes

• Fix type inference for method.returns(Type), to require a matching return signature o1-labs/o1js#1653
• Fix Struct.empty() returning a garbage object when one of the base types doesn't support empty() o1-labs/o1js#1657
• Fix Option.value_exn None error when using certain custom gates in combination with recursion o1-labs/o1js#1336 MinaProtocol/mina#15588

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

... (truncated)

• 54d6545 1.3.0
• f0860e8 Merge pull request #1659 from Shigoto-dev19/shigoto-base64
• 6dafe1f Apply review changes in #1659
• f5738c8 Revert "Update submodules to latest commits"
• f98d73f Update changelog again
• eb58f66 Revert "Adapt 'Bytes' API changes"
• b72fa97 Restore & methods
• 68d9c89 Update changelog
• 9baf3a1 Update submodules to latest commits
• 866625d Add unit tests for the 'Bytes' base64 methods
• Additional commits viewable in compare view

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