The main features of this release are:
- Support for the RV32E and RV64E ISAs.
- Many more extensions are now supported, for e.g. those for BFloat16.
- Support for Physical Memory Attributes (PMA).
- Validation of the configuration against the configuration schema.
- An ARM binary release for the emulator.
- Updated documentation.
More details are available in the Changelog.
Attestations for the release can be found at https://github.com/riscv/sail-riscv/attestations