* Circular reference for SocketException and StackOverflowError when using SLF4J logger ([KTOR-1080](https://youtrack.jetbrains.com/issue/KTOR-1080))
* start.ktor.io - Incorrect import for websockets for ktor 1.2.4 ([KTOR-274](https://youtrack.jetbrains.com/issue/KTOR-274))
* Unable to catch socket exceptions ([KTOR-1166](https://youtrack.jetbrains.com/issue/KTOR-1166))
* Support explicit WebSocket session close ([KTOR-340](https://youtrack.jetbrains.com/issue/KTOR-340))
* ktor-client-apache: thread stuck in ByteBufferChannel.readRemainingSuspend ([KTOR-1463](https://youtrack.jetbrains.com/issue/KTOR-1463))
* Logging tests fails due to floating log entries ([KTOR-1870](https://youtrack.jetbrains.com/issue/KTOR-1870))
* Adding existing dropwizard metrics registry to Ktor ([KTOR-1798](https://youtrack.jetbrains.com/issue/KTOR-1798))
* Exception kotlinx.serialization.SerializationException: Class 'ArrayList' is not registered for polymorphic serialization in the scope of 'Collection' in 1.5.0 ([KTOR-1795](https://youtrack.jetbrains.com/issue/KTOR-1795))
* Prevent double quotes on header params ([KTOR-1797](https://youtrack.jetbrains.com/issue/KTOR-1797))
* Post request shows empty body after upgrading v1.3.2 ([KTOR-426](https://youtrack.jetbrains.com/issue/KTOR-426))
* CIO native selector doesn't select new descriptors ([KTOR-1856](https://youtrack.jetbrains.com/issue/KTOR-1856))
* Client logging docs don't mention all required dependencies ([KTOR-280](https://youtrack.jetbrains.com/issue/KTOR-280))
* Out of date self-signed-certificate documentation ([KTOR-272](https://youtrack.jetbrains.com/issue/KTOR-272))
* ClosedReceiveChannelException when making request with CIO engine using a proxy to https ([KTOR-1458](https://youtrack.jetbrains.com/issue/KTOR-1458))
* Incorrect encoding function used for URL path by URLBuilder ([KTOR-1543](https://youtrack.jetbrains.com/issue/KTOR-1543))
* A single slash gets ignored for defining a route, but 1.5 requires them due to KTOR-372 ([KTOR-1615](https://youtrack.jetbrains.com/issue/KTOR-1615))
* Wrong shadow plugin version in Fat JAR docs ([KTOR-1359](https://youtrack.jetbrains.com/issue/KTOR-1359))
* ktor server documentation is returning 404 ([KTOR-1602](https://youtrack.jetbrains.com/issue/KTOR-1602))
* CORS doesn't reject bad headers ([KTOR-1662](https://youtrack.jetbrains.com/issue/KTOR-1662))
* OkHTTP client engine tries to close the connection twice during the closing handshake ([KTOR-1374](https://youtrack.jetbrains.com/issue/KTOR-1374))
* Dispatcher is closing earlier than client ([KTOR-1661](https://youtrack.jetbrains.com/issue/KTOR-1661))
* Server losing channel exceptions at receive ([KTOR-1590](https://youtrack.jetbrains.com/issue/KTOR-1590))
* Request parameters should have name ([KTOR-378](https://youtrack.jetbrains.com/issue/KTOR-378))
* Status-code must be 3-digit ([KTOR-370](https://youtrack.jetbrains.com/issue/KTOR-370))
* Connect request sends wrong status line ([KTOR-1612](https://youtrack.jetbrains.com/issue/KTOR-1612))
* Response channel is always cancelled with Logging feature ([KTOR-1598](https://youtrack.jetbrains.com/issue/KTOR-1598))
* Java client logging tests are fluky ([KTOR-1599](https://youtrack.jetbrains.com/issue/KTOR-1599))
* HttpTimeoutTest.testConnect are flaky ([KTOR-1583](https://youtrack.jetbrains.com/issue/KTOR-1583))
* Jetty: requests to resources, that doesn't respond with HTTP/2, lead to unexpected behaviour ([KTOR-874](https://youtrack.jetbrains.com/issue/KTOR-874))
* "Unfinished workers detected" using client on native ([KTOR-1220](https://youtrack.jetbrains.com/issue/KTOR-1220))
* HttpTimeout.testSocketTimeoutWriteFail is flaky ([KTOR-1584](https://youtrack.jetbrains.com/issue/KTOR-1584))
* Reserved characters in path is not encoded ([KTOR-570](https://youtrack.jetbrains.com/issue/KTOR-570))
* testTimeoutCancelsWhenParentScopeCancels is flaky ([KTOR-1585](https://youtrack.jetbrains.com/issue/KTOR-1585))
