firrtl

Feature

• Support 0-bit literals (#2544)

Feature

• FIRRTL version support (#2543)
• Add Serializer.lazily for buffered serialization (#2554, #2560)

BugFix

• Make the Parser handle errors more gracefully (#2549)

Security

• Bump protobuf runtime to avoid CVE-2021-22569 (#2535)

Performance

• Use circuit name hashCode for circuit anno hashCode (#2504)

BugFix

• Fix optimization of register with reset but invalid connection (#2520)
• Fix incorrect deprecation warning for TargetDirAnnotation (#2511)
• Make MemConf's MemPort serialization deterministic (#2508)
• Fix anno deserialization when class field is not first (#2501)

BugFix

• Fix handling of modulus (rem) on SInts (#2485)

BugFix

• Fix faulty MemorySynthInit behavior (#2468) Fix & test MemorySynthInit behavior with MemoryArrayInitAnnotation and MemoryScalarInitAnnotation. Add test case for MemoryRandomInitAnnotation which is, on the contrary, expected not to leak any randomization statement in synthesis context.
• Fixed emission-options flags to match their functionality (#2472)
• make PropagatePreset play...