MongoDB 8.x doesn't support the Linux kernel 6.19+, due to an incorrect ABI usage in `tcmalloc`. The KtMongo library itself isn't impacted, but our testing infrastructure is, so we can't test the library with MongoDB 8.x versions until this is fixed. Links: - [MongoDB 8.2 patch notes](https://www.mongodb.com/docs/manual/release-notes/8.2/#std-label-release-notes-8.2) - [tcmalloc issue](https://github.com/google/tcmalloc/issues/292) - [ArchLinux issue](https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/work_items/185) - [Kernel mailing list](https://lore.kernel.org/all/CALzav=fcN17cxdKseGAGHveTVYZNJwbEL6za6+DbKp-uiZwaOg@mail.gmail.com/)