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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