0.12.2

New

• Implemented to_mnemonic_str for Rcode and OptCode (#668 and #648 by @rossmacarthur)

Improvements

• Moved more imports to core and alloc to improve no_std support. (#671)

Unstable features:

• unstable-new:
  • Added Serial::new and Serial::get. (#676)
  • Added conversions for Name. (#678)
  • Added mnemonic Display for RType and RClass. (#678)
  • Renamed a number of record data types and record data helper types to the convention used by old base. (#679
  • Added methods to new base for RRSIG, NSEC, and NSEC3 to make new base more compatible with current domain. (#679)
  • Fixed parsing of NSEC TypeBitmap. (#681)
  • Overhauled name labels. (#687)
  • Added the SRV record data type. (#688, based on #649 by @soywod)