The “wildcard” identifiers in pulse grammars are now regular OpenQASM 3 identifiers, without the leading dollar sign (
$), e.g. what was
$qbefore is now simply
q. Precise hardware qubits are still referenced as
$0, for example. This was made for better consistency in identifiers; having the dollar sign in the wildcard carried no information, since it applied to any qubit already.