Bor v2.5.6 is an important release containing Dandeli hard fork on mainnet Network. The HF is scheduled on block number 81424000 which is estimated to be mined at 9th Jan 2026, 2 PM UTC. It adjusts the gas target calculations to mitigate gas price spikes and to increase effective network throughput.

What's Changed

• backport by @marcello33 in #1919
• Fix parallel evm revert by @avalkov in #1918
• p2p: added functionality to temporarily ban peers to prevent connections by @pratikspatil024 in #1922
• chore: bump kurtosis-pos by @kamuikatsurgi in #1923
• backport v2.5.4 by @pratikspatil024 in #1926
• fix(miner): delete pending task after successful block sealing to prevent node stall by @kamuikatsurgi in #1929
• v2.5.5 release by @kamuikatsurgi in #1936
• chore: backport master to develop by @kamuikatsurgi in #1937
• Remove Recommit and Fix Parent Actual Time track on Prepare by @lucca30 in #1938
• chore: update deps by @kamuikatsurgi in #1939
• V2.5.6 candidate by @lucca30 in #1941
• Backport master to develop by @lucca30 in #1942
• Revert "V2.5.6 candidate" by @pratikspatil024 in #1947
• Revert "Backport master to develop" by @pratikspatil024 in #1948
• fix: ignore invalid signer error for specific block range by @avalkov in #1944
• fix(miner): track pending work using block number to avoid duplicate block building work by @kamuikatsurgi in #1943
• fix(rpc): maxFeePerGas and maxPriorityFeePerGas for StateSyncTx type by @kamuikatsurgi in #1952
• chore: bump kurtosis-pos by @kamuikatsurgi in #1954
• Fix missing chain validator service setup by @Raneet10 in #1957
• fix(api): traceBlock by @kamuikatsurgi in #1959
• Dandeli HF: modify block gas target calculations by @manav2401 in #1968
• v2.5.6 stable release by @pratikspatil024 in #1949

Full Changelog: v2.5.5...v2.5.6