Package: release.debian.org Severity: normal User: release.debian....@packages.debian.org Usertags: transition X-Debbugs-Cc: openxr-sdk-sou...@packages.debian.org Control: affects -1 + src:openxr-sdk-source
OpenXR 1.1 is a compatible minor release. However, convention had developers using the XR_CURRENT_API_VERSION define to specify the version they wanted to use. When this changed to a 1.1.x version, it meant that the app would no longer run against 1.0 runtimes, which is not desired behavior. The OpenXR WG noticed this problem, unfortunately after initial 1.1.x release, and added defines that lock the major and minor version, in the 1.1.37 release (second 1.1.x release). [1] So, in practice, while the API and ABI is compatible, applications that used the established convention need to replace usage of XR_CURRENT_API_VERSION with XR_API_VERSION_1_0 to retain desired behavior when they first rebuild against a 1.1.x release. Again: the ABI is compatible (one new export), and so is the API, **except that** the value of XR_CURRENT_API_VERSION changed in a way that probably does not reflect the desires of applications when rebuilt. I am not 100% sure this requires a package transition but I thought it was better to be safe than sorry. (Hence why I shipped the 1.0.34 package recently despite it being outdated by the time I could get to that package again.) Unfortunately there is no 1.0.x release that defines the new XR_API_VERSION_1_0 macro, but I'm not opposed to patching that in to the 1.0.34 (last 1.0-only release) currently in unstable/testing. It would be equal to XR_CURRENT_API_VERSION in that version. Full disclosure: I am the OpenXR WG Spec Editor, which means I effectively serve as the upstream contact for openxr-sdk-source, as well as the packager. I've maintained Debian packages for some years, but this is my first time with a Debian package transition. [1] https://github.com/KhronosGroup/OpenXR-Docs/blob/main/CHANGELOG.Docs.md#openxr-specification-1137-2024-05-23 Ben file: title = "openxr-sdk-source"; is_affected = .build-depends ~ /libopenxr-dev/;
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