release 5.4.0

content/news/en/2021-07-29-knot-resolver-5.4.0.rst

+:title: Knot Resolver 5.4.0 released
+:slug: knot-resolver-5.4.0
+:date: 2021-07-29 16:00
+:lang: en
+
+Improvements
+------------
+- fine grained logging and syslog support (!1181)
+- expose HTTP headers for processing DoH requests (!1165)
+- improve assertion mechanism for debugging (!1146)
+- support apkg tool for packaging workflow (!1178)
+- support Knot DNS 3.1 (!1192, !1194)
+
+Bugfixes
+--------
+- trust_anchors.set_insecure: improve precision (#673, !1177)
+- plug memory leaks related to TCP (!1182)
+- policy.FLAGS: fix not applying properly in edge cases (!1179)
+- fix a crash with older libuv inside timer processing (!1195)
+
+Incompatible changes
+--------------------
+- see upgrading guide:
+  https://knot-resolver.readthedocs.io/en/stable/upgrading.html#to-5-4
+- legacy DoH implementation configuration in net.listen() was renamed from
+  kind="doh" to kind="doh_legacy" (!1180)