release 5.3.0

content/news/en/2021-02-25-knot-resolver-5.3.0.rst

+:title: Knot Resolver 5.3.0 released
+:slug: knot-resolver-5.3.0
+:date: 2021-02-25 14:00
+:lang: en
+
+Improvements
+------------
+- more consistency in using parent-side records for NS addresses (!1097)
+- better algorithm for choosing nameservers (!1030, !1126, !1140, !1141, !1143)
+- daf module: add daf.clear() (!1114)
+- dnstap module: more features and don't log internal requests (!1103)
+- dnstap module: include in upstream packages and Docker image (!1110, !1118)
+- randomize record order by default, i.e. reorder_RR(true) (!1124)
+- prometheus module: transform graphite tags into prometheus labels (!1109)
+- avoid excessive logging of UDP replies with sendmmsg (!1138)
+
+Bugfixes
+--------
+- view: fail config if bad subnet is specified (!1112)
+- doh2: fix memory leak (!1117)
+- policy.ANSWER: minor fixes, mainly around NODATA answers (!1129)
+- http, watchdog modules: fix stability problems (!1136)
+
+Incompatible changes
+--------------------
+- dnstap module: `log_responses` option gets nested under `client`;
+  see new docs for config example (!1103)
+- libknot >= 2.9 is required