Inside Bitcoin
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Inside Bitcoin
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The code behind the network, with room to understand it.
Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.
1Bitcoin Core version 29.2 is now available from:3<https://bitcoincore.org/bin/bitcoin-core-29.2/>5This release includes various bug fixes and performance6improvements, as well as updated translations.8Please report bugs using the issue tracker at GitHub:10<https://github.com/bitcoin/bitcoin/issues>12To receive security and update notifications, please subscribe to:14<https://bitcoincore.org/en/list/announcements/join/>16How to Upgrade17==============19If you are running an older version, shut it down. Wait until it has completely20shut down (which might take a few minutes in some cases), then run the21installer (on Windows) or just copy over `/Applications/Bitcoin-Qt` (on macOS)22or `bitcoind`/`bitcoin-qt` (on Linux).24Upgrading directly from a version of Bitcoin Core that has reached its EOL is25possible, but it might take some time if the data directory needs to be migrated. Old26wallet versions of Bitcoin Core are generally supported.28Compatibility29==============31Bitcoin Core is supported and tested on operating systems using the32Linux Kernel 3.17+, macOS 13+, and Windows 10+. Bitcoin33Core should also work on most other Unix-like systems but is not as34frequently tested on them. It is not recommended to use Bitcoin Core on35unsupported systems.37Notable changes38===============40### P2P42- #32646 p2p: Add witness mutation check inside FillBlock43- #33296 net: check for empty header before calling FillBlock44- #33395 net: do not apply whitelist permissions to onion inbounds46### Mempool48- #33504 mempool: Do not enforce TRUC checks on reorg50### RPC52- #33446 rpc: fix getblock(header) returns target for tip54### CI56- #32989 ci: Migrate CI to hosted Cirrus Runners57- #32999 ci: Use APT_LLVM_V in msan task58- #33099 ci: allow for any libc++ intrumentation & use it for TSAN59- #33258 ci: use LLVM 2160- #33364 ci: always use tag for LLVM checkout62### Doc64- #33484 doc: rpc: fix case typo in `finalizepsbt` help66### Misc68- #33310 trace: Workaround GCC bug compiling with old systemtap69- #33340 Fix benchmark CSV output70- #33482 contrib: fix macOS deployment with no translations72Credits73=======75Thanks to everyone who directly contributed to this release:77- Amisha Chhajed78- Eugene Siegel79- fanquake80- Greg Sanders81- Hennadii Stepanov82- Luke Dashjr83- MarcoFalke84- Martin Zumsande85- Sebastian Falbesoner86- Sjors Provoost87- Vasil Dimov88- Will Clark90As well as to everyone that helped with translations on91[Transifex](https://explore.transifex.com/bitcoin/bitcoin/).
Independent explanations by MyBitcoinExplorer. Not affiliated with or endorsed by Bitcoin Core. Guides are educational and do not replace the source or its tests.
Bitcoin Core source © its contributors, distributed under the MIT license. Original notices and bundled third-party licenses are retained in the source tree.