1.5.0

Published 22 Dec 2020

• Fixed crash when sending large responses in 1.4.2 (KTOR-1369)
• Introduced URLBuilder function to append paths (KTOR-403)
• Allowed OkHttpConfig to configure WebSocket.Factory (KTOR-951)
• Get client certificate information from request (KTOR-424)
• Fixed quoting Content-Disposition additional parameters (KTOR-455)
• Support Java HTTP Client (KTOR-348)
• Serializing collections of different element types (KTOR-1163)
• Introduced Netty tcpKeepAlive option (KTOR-368)
• Implemented development mode for Ktor (KTOR-1184)
• Implemented proper unhandled exception handling strategy (KTOR-835)
• Added OAuth feature config to avoid Dropbox issue (KTOR-715)
• Fixed trailing slashes handling in routing (KTOR-372)
• Added CIO client proxy tunneling support (KTOR-1458)
• Supported Sealed Classes inside Session-Objects (KTOR-826)
• Fixed code autoreload (KTOR-664)
• Added response text to the message of ResponseException and derived
  exceptions (KTOR-844)
• Added ability to send cookies with HttpRequestBuilder (KTOR-926)
• Added warning to HTTP/2 push API (KTOR-1329)
• Fixed parsing Authorization header diagnostics (KTOR-1406)
• Fixed CORS character encoding issue (KTOR-1370)
• Added CORS anyHeader in feature configuration (KTOR-977,
  KTOR-1263)
• Added curl engine option sslVerify (KTOR-1093)
• Fixed client response validation in some cases (KTOR-1412)
• Introduced support for pre-compresed files (KTOR-1447)
• Fixed Apache client engine sometimes hits an unrecoverable socket timeout when using
  ChannelWriterContent (KTOR-1149)
• Fixed typo val socketTimeout in CIOEngineConfig cause it's a property in the
  config (KTOR-1240)
• Added excludeSuffix to HttpsRedirect feature (KTOR-1197)
• Fixed CIO client connectRetryAttempts = 0 handling (KTOR-1125)
• Added option to use specific alias from keystore in CIO TLSConfigBuilder JVM
  (KTOR-941)

1.4.3

Published 1 Dec 2020

• Client: URL encode / escaping is wrong (KTOR-341)
• HTTP/2 push fails with netty engine (KTOR-800)
• Request headers exceeding expected threshold are not handled correctly (KTOR-905)
• iOS client fails with CoroutinesInternalError when Logging is used (KTOR-924)
• Experimental API and compatibility guarantees (KTOR-1035)
• CIO: client engine exceptions are both logged and thrown (KTOR-1127)
• Timeout feature: android engine throws Java's SocketTimeoutException instead of ConnectTimeoutException (KTOR-1229)
• Input.readTextExactBytes(n) on empty input different behavior per platform (KTOR-1235)
• HttpRedirect feature alters Location header value (KTOR-1236)
• Wrong pool is used to release IOBuffer after ByteChannelSequential.copyTo from static initialized instance. (KTOR-1237)
• CIO Engine's HttpClient may fail when trying to send large size binary data. (KTOR-1247)
• ByteBufferChannel.readRemaining doesn't read whole channel (KTOR-1268)
• Cannot receive content via jackson negotiator since 1.4.2 (KTOR-1286)
• ktor-io: JVM shared function decrease performance starting from 1.4.0 (KTOR-1290)
• Sessions + SSL (Netty) (KTOR-1292)
• Netty HTTP/2 HEAD response hangs (KTOR-1298)
• Using blocking primitives on this dispatcher is not allowed. Consider using async channel instead or use blocking primitives in withContext(Dispatchers.IO) instead. (KTOR-1305)
• "Wrong HEX escape": gracefully handle invalid URLs (KTOR-1308)
• Add build parameter to build ktor with JVM IR compiler (KTOR-1336)
• Update kotlin to 1.4.20 (KTOR-1346)
• Fix configuration if project without VPN and cache (KTOR-1347)
• Client: NPE in FormDataContentKt -> Input.copyTo (KTOR-1349)
• Upgrade Netty to 4.1.54.Final (KTOR-1363)
• Handle failure in reading request body (KTOR-1367)
• Remove copyTo usage from ServerPipeline (KTOR-1381)

1.4.3 Release

• Client: URL encode / escaping is wrong (KTOR-341)
• HTTP/2 push fails with netty engine (KTOR-800)
• Request headers exceeding expected threshold are not handled correctly (KTOR-905)
• iOS client fails with CoroutinesInternalError when Logging is used (KTOR-924)
• Experimental API and compatibility guarantees (KTOR-1035)
• CIO: client engine exceptions are both logged and thrown (KTOR-1127)
• Timeout feature: android engine throws Java's SocketTimeoutException instead of ConnectTimeoutException (KTOR-1229)
• Input.readTextExactBytes(n) on empty input different behavior per platform (KTOR-1235)
• HttpRedirect feature alters Location header value (KTOR-1236)
• Wrong pool is used to release IOBuffer after ByteChannelSequential.copyTo from static initialized instance. (KTOR-1237)
• CIO Engine's HttpClient may fail when trying to send large size binary data. (KTOR-1247)
• ByteBufferChannel.readRemaining doesn't read whole channel (KTOR-1268)
• Cannot receive content via jackson negotiator since 1.4.2 (KTOR-1286)
• ktor-io: JVM shared function decrease performance starting from 1.4.0 (KTOR-1290)
• Sessions + SSL (Netty) (KTOR-1292)
• Netty HTTP/2 HEAD response hangs (KTOR-1298)
• Using blocking primitives on this dispatcher is not allowed. Consider using async channel instead or use blocking primitives in withContext(Dispatchers.IO) instead. (KTOR-1305)
• "Wrong HEX escape": gracefully handle invalid URLs (KTOR-1308)
• Add build parameter to build ktor with JVM IR compiler (KTOR-1336)
• Update kotlin to 1.4.20 (KTOR-1346)
• Fix configuration if project without VPN and cache (KTOR-1347)
• Client: NPE in FormDataContentKt -> Input.copyTo (KTOR-1349)
• Upgrade Netty to 4.1.54.Final (KTOR-1363)
• Handle failure in reading request body (KTOR-1367)
• Remove copyTo usage from ServerPipeline (KTOR-1381)

1.4.2 Release

Please see Change Log on Ktor site

1.4.1

• OkHttp: Can't reuse same HttpRequestBuilder for different network clients (KTOR-949)
• Empty body in response using macosX64 target (KTOR-479)
• Native: InvalidMutabilityException creating HttpClient (KTOR-915)
• MultiPartData.readAllParts() throws java.io.IOException when multipart list is empty (KTOR-767)
• kotlin.native.concurrent.InvalidMutabilityException: mutation attempt of frozen io(.ktor.client.request.HttpRequestPipeline (KTOR-693)
• "FreezingException: freezing of InvokeOnCompletion has failed" using native-mt coroutines (KTOR-973)
• kotlin.native.concurrent.InvalidMutabilityException with 1.3.3-native-mt (KTOR-497)
• Parser Exception in header with character code 1 not allowed (KTOR-860)
• Calling HttpStatement#toString more than once throws IllegalArgumentException (KTOR-1005)
• Wrong session id get stuck at clients (KTOR-1007)
• Exception after WebSocketSession.close() invocation. (KTOR-847)
• Error Ktor running on background thread on iOS (KTOR-499)
• HttpClient can only be used on the main thread for native targets (KTOR-491)
• Ignore content length when transfer encoding is chunked for CIO server (KTOR-1036)
• ConcurrentList.increaseCapacity() throws ArrayIndexOutOfBoundsException (KTOR-1034)
• Ktor 1.3.1 Fails File Upload with MalformedInputException (KTOR-391)
• Update library versions, fix config after release (KTOR-1027)
• Fix parsing urls with trailing spaces (KTOR-886)
• 1.4.0: breaking change by making response nullable in ResponseException (KTOR-916)
• Netty: Not started servers leak resources (KTOR-939)
• Ktor websocket client passes configured max frame as timeout millis (KTOR-923)
• Routing: get matcher has higher priority than param matcher on the same level (KTOR-792)
• Confusing log message about failed session lookup (KTOR-776)
• Implement runtime check of using native-mt coroutines (KTOR-956)
• Http parse security issue (KTOR-841)
• Bumped versions:
  • kotlinx.coroutines 1.3.9-native-mt-2
  • kotlinx.serialization 1.0.0-RC2
  • kotlin 1.4.10

1.4.0

Published 18 Aug 2020

• Upgrade to kotlin 1.4.0
• Add native platform support for CIO client (#2021)
• Prevent access Tomcat servletRequest after recycling
• Fix verbose IO exception logging
• Fix client cookies remove
• Fix suspend tests for digest provider
• Add deprecation to BasicAuth feature
• Add client.get operator for features
• Add client websocket feature config
• iOS Certificate Pinning (#1750)
• Add originHost support in browser
• Fix client logging issues with POST body
• Prevent CURL multi-handle double close
• Add content-type header to default transformers
• Fix report for multiple failed engines in native
• Use window.location.origin as default host in URLBuilder
• Prevent Empty Cookie addition (#2008)
• Fix executor service termination in okhttp (#1860)
• Verify sending Content-Type and custom object body via POST (#1897)
• Fix ByteBufferPool recycle (#2016)
• Update jetty version
• Fix CIO exception logged twice
• Change exception type for long strings in readUtf8Line
• Fix uri field in digest auth header to include query params (#1992)
• Fix empty multipart post
• Move the default test server to CIO
• Fix webpack warning about ktor-client-core critical dependency
• Fix missing qop in DigestAuthProvider (Issue #1974)
• Handle " in different position cases
• Fix parsing of quoted header parameter value
• Fix saved call early completion
• Fix tests with empty json check
• Fix sending blank ContentType in Apache engine
• Parse blank content type to Any
• Fixed serialization of empty body (#1952)
• JsonFeature: Fixed header behavior and made it more flexible (#1927)
• Fix max-age header to use '=' instead f ':'. (#1769)
• Add contextual serialization support
• Introduce non-suspend api for writing
• fix memory alignment check (#1742)
• JetBrains Toolbox icon (#1805)
• Apache should use existing approach when merging headers (#1919)
• Fix conditional headers behaviour (Fix #1849).
• Change IosHttpRequestException parent to improve usability
• OAuth2: Added option to pass params in URL (#1847)
• Fix doubling host
• Enhanced handling of statusCode for AndroidEngine (#1852)
• Fix deserialization issue in client (Fix #1800).
• GitHub issue/pr links in IDEA Git log (#1806)
• Fix log channel is not closed for ByteArrayContent (#1808)
• Use comma to divide headers (Fix #1765).
• HTTP Client tracing using Stetho Android library.
• Fix static content resolution for directories inside Jar (#1777).
• Improve WebSocket routing API (Fix #1075).
• Implemented cookies encoding with their own encoding and added test cases for this
• Fix URI support (#1755)
• Fix OkHttp WebSocket close reason completion (#1363).
• Fix package directive; Add unimported cfnetwork constants
• Fix client.join to wait engine close
• Verify receive from response in exception
• Update okhttp version to 4.4.0
• Cleanup iOS proxy configuration
• Fix WebSocketTest.testMaxSize
• Fix UTF8 parsing (#1718).

1.3.2

Published 12 Mar 2020

• Introduced iOS streaming response support
• Provided challenge handler in iOS client configuration
• Improved JsonFeature configuration DSL (#1472)
• Simplified server kotlinx.serialization config
• Recovered HttpRequestBuilder.takeFrom function (#1626)
• Allowed to configure default cookies asynchronously
• Exposed server LocationInfo and added location resolve functions (#1657)
• Introduced function for async writing to server response channel (#1703)
• Added an option to filter logged calls for ktor-client-logging
• Fixed iOS client timeouts
• Fixed iOS crash
• Fixed 100% CPU Apache Ktor Http Client #1018 (#1689)
• Fixed missing client response logging
• Fixed CIO server local address detection (#1663)
• Fix server request origin to provide header's host and port when available
• Fixed random missing feature errors caused by concurrency at startup (#1694)
• Fixed Set-Cookie header parser in iOS and JS
• Fixed client multiple redirects with relative path (#1704)
• Fixed unwrapping cancellation exceptions in client (#1482)
• Fixed missed preconfigured OkHttpClient in OkHttpEngine (#1646)
• Fixed websocket to complete closeReason on disconnection (#1275).
• Fixed websocket sending CloseReason(1009) when frame is too big
• Fixed websocket pinger logging
• Fixed maxFrameSize for chunked frames
• Fixed URL scheme parser (#1614)
• Fixed platform detection in PlatformUtils.IS_NODE and PlatformUtils.IS_BROWSER (#1675)
• Fixed Short.highByte
• Fixed consumeEachBufferRange (#1693)
• Fixed httpclient gzip decoding failure (#1189)
• Fixed InputStream wrapper for Input
• Bumped versions:
  • Kotlin 1.3.70
  • kotlinx.coroutines 1.3.4
  • kotlinx.serialization 0.20.0
  • kotlinx.html 0.7.1
  • dropwizard 4.1.2
  • slf4j 1.7.30
  • mustache 0.9.6
  • pebble 3.1.2
  • webjars 0.43
  • jackson 2.10.2

1.3.1

Published 5 Feb 2020

• Introduced experimental client timeout feature
• Fixed OkHttp leaking threads
• Fix decoding UTF8 lines (#1323)
• Fixed websocket close sequence (#1262, #1571, #1427)
• Reduced number of redundant exceptions logged in jetty server
• Fixed text decoder in js client under nodejs
• Fixed NSUrlSession memory leak (#1420)
• Make server feature throw BadContentTypeFormatException to get status 400
• Reverted accidentally removed client LocalFileContent
• Removed User-Agent header in browser (to avoid CORS-related issues)
• Fixed request body with Input
• Improved native clients performance
• Fixed native and js client cancellation issues
• Fixed file descriptor leak in Jetty server (#1589)
• Fixed server sessions and cache related iseues (#1591)
• Upgraded JWT/JWKS versions
• Upgraded Netty version
• Fixed multiple server jwt auth providers processing (#1586)
• Fixed Auth retry logic (#1051)
• Fixed ApplicationRequest.remoteHost to not report "unknown"
• Fixed corrupted headers in CIO client and server on Android
• Improved server cancellation handling

1.3.0

14 Jan 2020

• ktor client proxy support
• Introduced HttpStatement and deprecated potentially dangerous resource-leaking client API
• Eliminated kotlinx.io dependency
• Fixed server identity compression handling: keep original content length
• Fixed handling GET requests with body (#1302)
• Fixed curl request with empty body
• Added iOS url session configuration
• Fixed CIO engine no longer sends port in "Host" header (#1295)
• Add INTRINSIC value to TLS signature algorithms
• Introduced ability to send string in request body
• Improved client and server typeOf support with kotlinx.serialization
• Gradle 5.4.1+ with newer metadata (metadata 1.0)
• Improved exceptions handling in client and server on Android
• Added missing TLS parameters and relaxed TLS parsing to ignore unsupported features
• Improved session diagnostics (#1368)
• Fixed hookRequests in test engine (#1300)
• Deprecate java.time related API and related cleanup (for future kotlin.time support)
• Restricted CIO HTTP headers parser
• Introduced header name and value validation
• Fixed must-revalidate on the request side in ktor client (#1406)
• Fixed OkHttp client resource cleanup on close
• Added watchos/tvos native targets
• Fixed content truncation at native and JS targets
• Fixed server's If-Range header parsing to avoid crash at date parsing (#1377)
• Fixed server's conditional headers processing
• Reduced required JDK version for DefaultHeaders server feature
• Fixed client hanging due to exception in response pipeline
• Replaced HttpClientJvmEngine to HttpClientEngineBase that is now common for all platforms (affects only custom client engines)
• Fixed hierarchy of execution and call contexts in clients that allows to properly handle request lifetime using execution context.
• Optimize JS module import time (#1464)
• Upgraded versions of Netty, Jetty and Tomcat implementations
• Added Pebble template engine (#1374)
• Introduced localPort route that is always tied to actual socket port (#1392)
• Fixed cookie expiration date parsing (#1390)
• Server authentication feature's phases are now public (#1160)
• Fixed auth header resending after redirect (#1467)
• TCP half-close made optional for CIO client engine and disabled by default.
• Apache client random timeouts fixed
• Fixed locale-dependant code (#1491)
• Fixed unclosed websocket channels if cancelled too early
• TCP half-close made optional for CIO client engine and disabled by default. (#1456)
• Improved ktor-client-mock engine to be thread safe (#1505)
• Fixed client cookies logging (#1506)
• Fixed multiple application stop events in test engine (#1498)
• Fixed CIO ActorSelectorManager to not spin due to cancelled keys (affects both CIO client and server)
• Made default auth validate functions fail to force users to implement them
• Introduced test client instance in the test server
• Fixed various server and client engines to return null for missing headers rather than empty list
• Introduced support for json structures in client and server (#1519)
• Introduced ktor-server-core binary compatibility tracking
• kotlinx.coroutines 1.3.3

Migration guide: https://ktor.io/quickstart/migration/1.3.0.html

1.3.0-rc2

• ktor client proxy support
• Introduced HttpStatement and deprecated potentially dangerous resource-leaking client API
• Eliminated kotlinx.io dependency
• Fixed server identity compression handling: keep original content length
• Fixed handling GET requests with body (#1302)
• Fixed curl request with empty body
• Added iOS url session configuration
• Fixed CIO engine no longer sends port in "Host" header (#1295)
• Add INTRINSIC value to TLS signature algorithms
• Introduced ability to send string in request body
• Improved client and server typeOf support with kotlinx.serialization
• Gradle 5.4.1+ with newer metadata (metadata 1.0)
• Improved exceptions handling in client and server on Android
• Added missing TLS parameters and relaxed TLS parsing to ignore unsupported features
• Improved session diagnostics (#1368)
• Fixed hookRequests in test engine (#1300)
• Deprecate java.time related API and related cleanup (for future kotlin.time support)
• Restricted CIO HTTP headers parser
• Introduced header name and value validation
• Fixed must-revalidate on the request side in ktor client (#1406)
• Fixed OkHttp client resource cleanup on close
• Added watchos/tvos native targets
• Fixed content truncation at native and JS targets
• Fixed server's If-Range header parsing to avoid crash at date parsing (#1377)
• Fixed server's conditional headers processing
• Reduced required JDK version for DefaultHeaders server feature
• Fixed client hanging due to exception in response pipeline
• Replaced HttpClientJvmEngine to HttpClientEngineBase that is now common for all platforms (affects only custom client engines)
• Fixed hierarchy of execution and call contexts in clients that allows to properly handle request lifetime using execution context.
• Optimize JS module import time (#1464)
• Upgraded versions of Netty, Jetty and Tomcat implementations
• Added Pebble template engine (#1374)
• Introduced localPort route that is always tied to actual socket port (#1392)
• Fixed cookie expiration date parsing (#1390)
• Server authentication feature's phases are now public (#1160)
• Fixed auth header resending after redirect (#1467)
• TCP half-close made optional for CIO client engine and disabled by default.
• Apache client random timeouts fixed
• Fixed locale-dependant code (#1491)
• Fixed unclosed websocket channels if cancelled too early
• TCP half-close made optional for CIO client engine and disabled by default. (#1456)
• Improved ktor-client-mock engine to be thread safe (#1505)
• Fixed client cookies logging (#1506)
• Fixed multiple application stop events in test engine (#1498)
• Fixed CIO ActorSelectorManager to not spin due to cancelled keys (affects both CIO client and server)
• Made default auth validate functions fail to force users to implement them
• Introduced test client instance in the test server
• Fixed various server and client engines to return null for missing headers rather than empty list
• Introduced support for json structures in client and server (#1519)
• kotlinx.coroutines 1.3.3

1.3.0-rc

• ktor client proxy support
• Introduced HttpStatement and deprecated potentially dangerous resource-leaking client API
• Eliminated kotlinx.io dependency
• Fixed server identity compression handling: keep original content length
• Fixed handling GET requests with body (#1302)
• Fixed curl request with empty body
• Added iOS url session configuration
• Fixed CIO engine no longer sends port in "Host" header (#1295)
• Add INTRINSIC value to TLS signature algorithms
• Introduced ability to send string in request body
• Improved client and server typeOf support with kotlinx.serialization
• Gradle 5.4.1+ with newer metadata (metadata 1.0)
• Improved exceptions handling in client and server on Android
• Added missing TLS parameters and relaxed TLS parsing to ignore unsupported features
• Improved session diagnostics (#1368)
• Fixed hookRequests in test engine (#1300)
• Deprecate java.time related API and related cleanup (for future kotlin.time support)
• Restricted CIO HTTP headers parser
• Introduced header name and value validation
• Fixed must-revalidate on the request side in ktor client (#1406)
• Fixed OkHttp client resource cleanup on close
• Added watchos/tvos native targets
• Fixed content truncation at native and JS targets
• Fixed server's If-Range header parsing to avoid crash at date parsing (#1377)
• Fixed server's conditional headers processing
• Reduced required JDK version for DefaultHeaders server feature
• Fixed client hanging due to exception in response pipeline
• Replaced HttpClientJvmEngine to HttpClientEngineBase that is now common for all platforms (affects only custom client engines)
• Fixed hierarchy of execution and call contexts in clients that allows to properly handle request lifetime using execution context.
• Optimize JS module import time (#1464)
• Upgraded versions of Netty, Jetty and Tomcat implementations
• Added Pebble template engine (#1374)
• Introduced localPort route that is always tied to actual socket port (#1392)
• Fixed cookie expiration date parsing (#1390)
• Server authentication feature's phases are now public (#1160)
• Fixed auth header resending after redirect (#1467)
• TCP half-close made optional for CIO client engine and disabled by default.
• Apache client random timeouts fixed
• Fixed locale-dependat code (#1491)
• Fixed unclosed websocket channels if cancelled too early
• kotlinx.coroutines 1.3.3