1.25.0

New features

• UserEnum is now pickleable.
• Upgrade to Antlr 4.11.1 runtime
• Rework compiler's UDP preregistration API
  • Deprecated RDLCompiler.define_udp() method in favor of new RDLCompiler.register_udp()
  • New API allows for "soft" UDP predefinition
  • Better default value & validation hooks
  • See docs for more details: https://systemrdl-compiler.readthedocs.io/en/stable/api/udp.html

Bug Fixes

• Fix ability to define and instantiate signals inside fields. (#131)