This is a Testnet release. It is not suggested for Mainnet use.
- Alpenglow is now the only available consensus mode. The following configuration keys are no longer supported:
[consensus] alpenglow,[tiles.tower] write_vote_history_file, and[tiles.txsend] txsend_src_port - Added a new failover mechanism between two Firedancer validators, designed to be easy to use, fast, and secure. Refer to the failover guide for details
- Support for all Solana 4.4 features
- Support for
geo_aware_leader_schedule(SIMD-0675),validator_location_registration(SIMD-0674), andstricter_shred_validation(SIMD-0504) features - Reduced mainnet memory usage from 159 to 142 GiB
- The transaction cache and cost tracker gained fallback disk paths, which will not be written during routine or healthy operations. Configurable at
[paths] txncacheand[paths] cost_tracker - Added a new
iavfkernel-bypass networking provider for Intel ice/i40e NICs through SR-IOV virtual functions - Added an experimental auction scheduling strategy for block packing, enabled with
[tiles.pack] schedule_strategy = "auction" - Improvements to the experimental efficient mode (
[layout] mode = "efficient")