Chisel v6.6.0

Features

• Implement Lookupable for HasTarget (used by SRAM) (backport #4481) (by @mergify[bot] in #4482)
• Allow BoringUtils to use existing port in a closed module (backport #4484) (by @mergify[bot] in #4486)
  When trying to drill a port, it doesn't matter if the module is closed. We do not need to construct new hardware and can just use the existing port.
• Implement Lookupable for Unit (backport #4497) (by @mergify[bot] in #4498)

API Modification

• Deprecate all Injecting Aspect Code (backport #4415) (by @mergify[bot] in #4416)

API Deprecation

• Deprecate more Aspect parts (backport #4420) (by @mergify[bot] in #4421)

Fixes

• Remove unnecessary overrides of lref and ref in Property (backport #4309) (by @mergify[bot] in #4310)
  This fixes an issue with views of List of Property.
• Improve error messages for empty Mux1H and PriorityMux (backport #4391) (by @mergify[bot] in #4393)
• Handle define on views of Probes (backport #4308) (by @mergify[bot] in #4311)
• Support BoringUtils.bore on OpaqueType wrapping a Property. (backport #4337) (by @mergify[bot] in #4338)
  This ensures boring from an OpaqueType that wraps a Property uses the correct connection operator in the IR.
• Make it legal to extract zero bits from a zero-width UInt (backport #4445) (by @mergify[bot] in #4447)
• Fix Arg.name and earlyLocalName for probes (backport #4359) (by @mergify[bot] in #4360)
• Fix Boring.rwTap on instance ports (backport #4451) (by @mergify[bot] in #4452)
  BoringUtils.rwTap can now works on a port of an instance: Instance[..]
• Fix Select.attachedTo (backport #4458) (by @mergify[bot] in #4461)
• Fix missing string interpolators, add -Xlint:missing-interpolator (backport #4471) (by @mergify[bot] in #4473)
• Add Probes to .toString Data methods (backport #4478) (by @mergify[bot] in #4480)
  Probe chisel types now include the kind of probe and layer in their .toString method

Documentation

• Improve the error message for mismatched types in Mux (backport #4331) (by @mergify[bot] in #4332)

Dependency Updates

• [6.x] Bump to CIRCT 1.62.1 (by @jackkoenig in #4387)
  • [FIRRTL] LowerToHW: guard against folded operations (llvm/circt#7358)
• Add Scala 2.13.15 to compiler plugin cross-build (backport #4410) (by @mergify[bot] in #4413)
  Add support for Scala 2.13.15

Build and Internal Changes

• Add permissions to website deployment job (backport #4285) (by @mergify[bot] in #4290)
• [6.x] Enable MiMa for v6.5.0 (by @chiselbot in #4279)

Full Changelog: v6.5.0...v6.6.0