Bitcoin Core v26.1: Bug Fixes & Performance Improvements
This release includes various bug fixes and performance improvements, as well as updated translations.
- "Bitcoin Core version 26.1 is now available from: https://bitcoincore.org/bin/bitcoin-core-26.1/."
- "Please report bugs using the issue tracker at GitHub."
What's changed
Wallet
- #28994 wallet: skip BnB when SFFO is enabled
- #28920 wallet: birth time update during tx scanning
- #29176 wallet: Fix use-after-free in WalletBatch::EraseRecords
- #29510 wallet: getrawchangeaddress and getnewaddress failures should not affect keypools for descriptor wallets
RPC
- #29003 rpc: fix getrawtransaction segfault
- #28784 rpc: keep .cookie file if it was not generated
Logs
- #29227 log mempool loading progress
P2P and network changes
- #29200 net: create I2P sessions using both ECIES-X25519 and ElGamal encryption
- #29412 p2p: Don't process mutated blocks
- #29524 p2p: Don't consider blocks mutated if they don't connect to known prev block
Build
- #29127 Use hardened runtime on macOS release builds.
- #29195 build: Fix -Xclang -internal-isystem option
CI
- #28992 ci: Use Ubuntu 24.04 Noble for asan,tsan,tidy,fuzz
- #29080 ci: Set HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK to avoid unrelated failures
- #29610 ci: Fix "macOS native" job
Miscellaneous
- #28391 refactor: Simplify CTxMempool/BlockAssembler fields, remove some external mapTx access
- #29179 test: wallet rescan with reorged parent + IsFromMe child in mempool
- #28791 snapshots: don't core dump when running -checkblockindex after loadtxoutset
- #29357 test: Drop x modifier in fsbridge::fopen call for MinGW builds
- #29529 fuzz: restrict fopencookie usage to Linux & FreeBSD
