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f00345727b8d2bf73409db5cd342e476671e6425 doc: Update `dependencies.md` for Qt 6 (Hennadii Stepanov) 80b917991ed7ff931f0a9211cebf859f674776c4 build, msvc: Update `vcpkg.json` for Qt 6 (Hennadii Stepanov) 30dd1f1644e0441b5310f1eceecfd6a5abc45f68 ci: Update for Qt 6 (Hennadii Stepanov) 629d292f4d846978c682c5f497240c62d62f4bd1 test: Update sanitizer suppressions for Qt 6 (Hennadii Stepanov) 551e13abf82522bad7fdde4ff4bd15d2c8f88b23 guix: Adjust for Qt 6 (Hennadii Stepanov) c3e9bd086c498e9f1cbdc505949cb17ac1b39f7e qt: Fix compiling for Windows (Hennadii Stepanov) ab399c4db2e98aee8e01323c4c6cca48b520dc7f depends: Add `native_qt` package (Hennadii Stepanov) 248613eb3ee034bf143821a51635e697dc114e6c depends: Factor out Qt modules' details (Hennadii Stepanov) 0268f52a4cd2b7aa63934526437bcf6912e47d3c depends: Introduce customizable `$(package)_patches_path` variables (Hennadii Stepanov) 5e794e62024eef612e1fbb71c76ea54d17435c14 depends: Bump `qt` package up to 6.7.3 (Hennadii Stepanov) 6d4214925fadc36d26aa58903db5788c742e68c6 cmake: Require Qt 6 to build GUI (Hennadii Stepanov) Pull request description: The currently used Qt 5.15 is approaching [EOL](https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holders) and will reach it before the Bitcoin Core v30 release. The recent migration of the build system to CMake makes it possible to switch to Qt 6. This PR updates the OS runtime compatibility requirements for the Bitcoin Core GUI as follows: ### 1. Linux Starting with Qt 6.5.0, the `libxcb-cursor0` package is required to be installed at runtime. ### 2. Windows Cross-compiling does not support LTO. We have to re-add it in a follow-up. A new style plugin causes minor visual glitches, such as  which will be fixed in follow-ups. ### 3. macOS `bitcoin-qt` now uses the [Metal](https://developer.apple.com/metal/) backend. --- **IMPORTANT.** Don't forget to install [Ninja](https://ninja-build.org/). --- For historical context, please refer to: - https://github.com/bitcoin/bitcoin/issues/20627 - https://github.com/bitcoin/bitcoin/pull/24798 --- UPD 2024-10-09. Qt 6.8 has been [released](https://www.qt.io/blog/qt-6.8-released), but it has some [drawbacks](https://github.com/bitcoin/bitcoin/pull/30997#issuecomment-2402990346) for us. As a result, this PR will stick to Qt 6.7. UPD 2025-03-18: [Standard support for Qt 5.15 will end after 26th of May 2025](https://www.qt.io/blog/extended-security-maintenance-for-qt-5.15-begins-may-2025) ACKs for top commit: laanwj: re-ACK f00345727b8d2bf73409db5cd342e476671e6425 hodlinator: re-ACK f00345727b8d2bf73409db5cd342e476671e6425 Tree-SHA512: 367f722e6c3ea4700b5395871c40b6df8c8062fdc822107090449ea4ae4ad2db75cc53a982a678f4c48ce8f9b2d43ed10e6d23b06165ab78713f161db712d895
Bitcoin Core
Setup
Bitcoin Core is the original Bitcoin client and it builds the backbone of the network. It downloads and, by default, stores the entire history of Bitcoin transactions, which requires several hundred gigabytes or more of disk space. Depending on the speed of your computer and network connection, the synchronization process can take anywhere from a few hours to several days or more.
To download Bitcoin Core, visit bitcoincore.org.
Running
The following are some helpful notes on how to run Bitcoin Core on your native platform.
Unix
Unpack the files into a directory and run:
bin/bitcoin-qt(GUI) orbin/bitcoind(headless)
Windows
Unpack the files into a directory, and then run bitcoin-qt.exe.
macOS
Drag Bitcoin Core to your applications folder, and then run Bitcoin Core.
Need Help?
- See the documentation at the Bitcoin Wiki for help and more information.
- Ask for help on Bitcoin StackExchange.
- Ask for help on #bitcoin on Libera Chat. If you don't have an IRC client, you can use web.libera.chat.
- Ask for help on the BitcoinTalk forums, in the Technical Support board.
Building
The following are developer notes on how to build Bitcoin Core on your native platform. They are not complete guides, but include notes on the necessary libraries, compile flags, etc.
- Dependencies
- macOS Build Notes
- Unix Build Notes
- Windows Build Notes
- FreeBSD Build Notes
- OpenBSD Build Notes
- NetBSD Build Notes
Development
The Bitcoin repo's root README contains relevant information on the development process and automated testing.
- Developer Notes
- Productivity Notes
- Release Process
- Source Code Documentation (External Link)
- Translation Process
- Translation Strings Policy
- JSON-RPC Interface
- Unauthenticated REST Interface
- BIPS
- Dnsseed Policy
- Benchmarking
- Internal Design Docs
Resources
- Discuss on the BitcoinTalk forums, in the Development & Technical Discussion board.
- Discuss project-specific development on #bitcoin-core-dev on Libera Chat. If you don't have an IRC client, you can use web.libera.chat.
Miscellaneous
- Assets Attribution
- bitcoin.conf Configuration File
- CJDNS Support
- Files
- Fuzz-testing
- I2P Support
- Init Scripts (systemd/upstart/openrc)
- Managing Wallets
- Multisig Tutorial
- Offline Signing Tutorial
- P2P bad ports definition and list
- PSBT support
- Reduce Memory
- Reduce Traffic
- Tor Support
- Transaction Relay Policy
- ZMQ
License
Distributed under the MIT software license.