knot-resolver-announce October 2026

knot-resolver-announce@lists.nic.cz

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by Aleš Mrázek

Dear Knot Resolver users, Knot Resolver 6.5.0 has been released! Bugfixes: - views: fix "unused tags" error when repeating a tag in views (!1883) - watchdog: detect file-changes done via rename*() syscall (!1895) This is relevant for RPZ files and TLS certs+keys. - DoH fixes for sharing connections among different users (!1844) - TCP-based connections used Nagle's algorithm since 6.2.0 (!1903) This mistake significantly increased latencies of such transports. - local-data: process upper-case names correctly (!1915) Packaging: - deb: migrate to sysusers and update packaging (!1857) - rpm: fix source build against libknot >= 3.6 (!1907) - python: 3.9+ (!1886), migrated to setuptools (!1889), removed typing-extensions (!1910) - Debian 11 is no longer supported - Debian,Ubuntu: i386 and armhf architectures no longer supported Improvements: - decrease RAM usage by a lot (!1901) - local-data: increase capacity to 63 GiB (logged MDB_MAP_FULL, !1885) - systemd: use unit's {Runtime,State,Cache}Directory directives instead of tmpfiles.d (!1853) - controller: reimplement the notify socket in Python (!1875) - python: improve Knot Resolver startup procedure (!1893) Some startup actions previously handled by the manager have been moved to a separate startup program. - python: refactoring: utils (!1894), client (!1908) - allow running under an unknown user, e.g. in containers (!1914) Incompatible changes: - remove legacy systemd unit files (kresd@.service, kres-cache-gc.service) (!1853) - remove $KRES_LOGGING_TARGET environment variable (!1893) You can override the default by passing `--logtarget` to `knot-resolver` command. (!1912) - docker: remove cross-platform build for linux/arm/v7 (!1904) Full changelog: https://gitlab.nic.cz/knot/knot-resolver/raw/v6.5.0/NEWS Sources: https://knot-resolver.nic.cz/release/knot-resolver-6.5.0.tar.xz GPG signature: https://knot-resolver.nic.cz/release/knot-resolver-6.5.0.tar.xz.asc Documentation: https://www.knot-resolver.cz/documentation/v6.5.0/ -- Ales Mrazek PGP: 3057 EE9A 448F 362D 7420 5A77 9AB1 20DA 0A76 F6DE

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knot-resolver-announce October 2026