- 1. The fast-ramp two phase queue run support, previously experimental, is
- now supported by default.
-
- 2. The native SRS support, previously experimental, is now supported. It is
- not built unless specified in the Local/Makefile.
-
- 3. TLS resumption support, previously experimental, is now supported and
- included in default builds.
-
- 4. Single-key LMDB lookups, previously experimental, are now supported.
- The support is not built unless specified in the Local/Makefile.
-
- 5. Option "message_linelength_limit" on the smtp transport to enforce (by
- default) the RFC 998 character limit.