v2.2.0

October 07, 2024 circom 2.2.0

New features

• Buses: more information here.

Changes

• input/output keywords are the first token in declarations (though having it after "signal" is still accepted).
• The default option for constraint simplification is --O1 (instead of --O2 which was the default until now). More information in here.

Extensions

• Allowing array assignments of different sizes.
• Improving error reports when parsing.
• Improving documentation.

Fixed bugs

• Main with no inputs is now executed once.
• Fixing complement function to depend on the prime number used.
• Applying modulo prime number to any constant in the circuit.
• Fixing minor panic: the number of signals passed to the anonymous component must be equal to the actual number of inputs.