What's this?

        This is a set of git repositories based on the last public
        commits available for Qt 5.15 branches with a curated collection
        of patches on top to ensure open source products can be used
        comfortably until users transition to their Qt 6-based ports.

    Which patches does it include?

        This collection of patches includes patches that fix at least
        one of the following:

            * Security issues
            * Crashes
            * Functional defects

        We only include patches that have been approved upstream in the
        Qt project. If a patch cannot be merged upstream for technical
        reasons (e.g. the class no longer exists), it can also be
        merged.

        The patches to merge will be decided based on their relevance
        towards Open Source products and their viability.

[1] https://community.kde.org/Qt5PatchCollection