Update ktor monorepo to v3 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
io.ktor:ktor-client-cio-jvm	2.3.4 -> 3.3.0
io.ktor:ktor-client-content-negotiation-jvm	2.3.4 -> 3.3.0
io.ktor:ktor-client-core-jvm	2.3.4 -> 3.3.0
io.ktor:ktor-client-logging-jvm	2.3.4 -> 3.3.0
io.ktor:ktor-serialization-gson-jvm	2.3.4 -> 3.3.0

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Release Notes

ktorio/ktor (io.ktor:ktor-client-cio-jvm)

v3.2.3

Compare Source

Published 29 July 2025

Improvements

• Server only accepts yaml as the configuration file suffix (KTOR-8712)
• JS / WASM error when process global is undefined (KTOR-8686)
• DI async duplicate resolution (KTOR-8681)

Bugfixes

• CIO: Expect 100-continue response is missing a final \r\n (KTOR-8687)
• Intermittent "ParserException: No colon in HTTP header" when parsing multipart request (KTOR-8523)
• Infinite loop in ByteReadChannel.readFully (KTOR-8682)
• ShutDownUrl: The server cannot shut down since 3.2.0 (KTOR-8674)

v3.2.2

Compare Source

Published 14 July 2025

Improvements

• SSE: Change the order of SSE field serialization: put event before data (KTOR-8627)

Bugfixes

• CORS: server replies with the 405 status code on a preflight request when the plugin is installed in a route (KTOR-4499)
• Darwin: The Content-Encoding header is removed since 3.0.3 (KTOR-8526)
• JS/WASM: response doesn't contain the Content-Length header in a browser (KTOR-8377)
• StatusPages: response headers of OutgoingContent aren't available in the status handlers (KTOR-8232)
• testApplication: The client.sse() acts like a REST call and not a stream in test environment (KTOR-7910)
• Config deserialization - default properties problem (KTOR-8654)
• kotlinx.datetime is not available transitively in 3.2.1 (KTOR-8656)
• Request builder block overrides HTTP method in specific request builders (get, post, etc) (KTOR-8636)

v3.2.1

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Published 3 July 2025

Improvements

• Replace kotlinx.datetime APIs with kotlin.time (KTOR-8635)
• Thymeleaf: null values in template model (KTOR-8559)
• Publish Javadoc as a maven artifact (KTOR-3962)
• Netty: Invalid hex byte with malformed query string (KTOR-2934)

Bugfixes

• "Space characters in SimpleName" error when executing R8 mergeExtDex task with 3.2.0 (KTOR-8583)
• ForwardedHeaders: the plugin does not handle parameters case-insensitively (KTOR-8622)
• Potential race condition in socket.awaitClosed (hangs indefinitely) since 3.2.0 (KTOR-8618)
• Module parameter type Application.() -> kotlin.Unit is not supported in 3.2.0 (KTOR-8602)
• OkHttp: java.net.ProtocolException when sending MultiPartFormDataContent with onUpload (KTOR-6790)
• OAuth2 authentication provider breaks form-urlencoded POST requests when receiving request body (KTOR-4420)
• 404 for a link in KDoc for io.ktor.server.plugins.contentnegotiation.ContentNegotiation (KTOR-8597)
• Ktor fails to boot with default jvminline argument (KTOR-8608)
• Flow invariant is violated since 3.2.0 (KTOR-8606)
• ResponseSent hook handler of the plugin installed into a route isn't executed when an exception is thrown from the route (KTOR-6794)

v3.2.0

Compare Source

Published 12 June 2025

Features

• Dependency injection Ktor extension (KTOR-8267)
• Support Version Catalog (KTOR-8162)
• Unix domain socket support at the Ktor Engine level (KTOR-4766)
• Allow suspend Ktor modules (KTOR-8005)
• Ability to use browser cookie storage (KTOR-539)
• Configuration file deserialization (KTOR-7874)
• HttpCache: Support evicting/clearing cache (KTOR-6653)
• File configuration for dependencies (KTOR-8304)

Improvements

• Excessive allocation of ApplicationConfig when loading multiple files from CLI (KTOR-8563)
• Linux curl engine doesn't work for simultaneous websocket and http request (KTOR-8259)
• ktor-network produces ProGuard warning (KTOR-8525)
• More overloads for StringValuesBuilder.appendAll (KTOR-8573)
• HttpClientCall: Deprecate wrapWithContent and wrap (KTOR-8378)
• Add a way to create an ApplicationCall for testing (KTOR-7607)
• Configuration access API improvements (KTOR-8185)
• Application instance access in testApplication (KTOR-8215)
• The TestApplication client should be configurable and mutable (KTOR-8465)
• Support accessing resolved IP address on an instance of io.ktor.network.sockets.InetSocketAddress (KTOR-8490)
• Deprecate SaveBodyPlugin in favor of HttpClientCall.save (KTOR-8367)
• Obscure log message on server startup (KTOR-8519)
• Routing: accept should return 406 if the Accept header isn't matched (KTOR-8416)
• MicrometerMetrics: the route label can exceed length limit (KTOR-7274)
• Micrometer: Make route label configurable (KTOR-8183)
• Add more common ContentType values (KTOR-7108)

Bugfixes

• Logging/Darwin: IOException is thrown when detecting if body is a binary (KTOR-8581)
• Netty: NoSuchElementException or empty headers when responding with 204 (KTOR-8528)
• YAML configuration: NoSuchElementException when parameter is expanded with curly braces (KTOR-8575)
• ApplicationConfig: Most of the content is absent after merging configs (KTOR-8565)
• Android: "ProtocolException: TRACE does not support writing" when sending TRACE request (KTOR-8352)
• The "Content-Length: 0" header is added for GET requests sent to some servers (KTOR-6508)
• HttpRequestRetry: requests with some IOException's thrown by Java engine aren't retried (KTOR-6770)
• HttpCookies: Encoding of request cookies is not preserved in CookiesStorage (KTOR-8343)
• Url class mangles data URLs (KTOR-5708)
• SaveBodyPlugin: Logging plugin consumes response body (KTOR-6474)
• Config deserialization does not respect testApplication environment (KTOR-8436)
• Resources: Exclude a parent from query params when it is an object (KTOR-8507)
• BearerAuthProvider does not clear token if refreshTokens returns null (KTOR-8470)
• Coroutines launched from RoutingContext are not cancelled upon server shutdown (KTOR-8338)
• Application job is not joined during shutdown (KTOR-8291)
• HttpCache: InvalidCacheStateException thrown when Vary header has different entries is overly severe (KTOR-8345)
• Fix socket channel close handling (KTOR-8201)

v3.1.3

Compare Source

Published 5 May 2025

Improvements

• Implement toString for staticContentRoute (KTOR-8451)
• Don't send Authorization header for requests marked with markAsRefreshTokenRequest (KTOR-8107)
• ByteChannel single-byte operations are slow (KTOR-8412)
• Receiving multipart without Content-Length is very slow (KTOR-8407)
• MicrometerMetrics: different path 404s requests can be abused to trigger OOM (KTOR-8276)
• Compression & Static Content: No Vary Header when serving a compressed resource (KTOR-8326)
• HttpTimeout: Reference to nonexistent INFINITE_TIMEOUT_MS in the exception message (KTOR-8358)

Bugfixes

• Websockets: Unable to send a frame when ktor-serialization-kotlinx-json-jvm dependency is defined in Maven build (KTOR-7662)
• OkHttp: Cancelling of SSE request job doesn't cancel the connection (KTOR-8409)
• OkHttp: Exceptions are not propagated to flow collectors (KTOR-7947)
• OOM in CountedByteReadChannel while copying from multipart/form-data part channel (KTOR-8317)
• Apache5: "ProtocolException: OPTIONS request must have Content-Type header" is thrown when body isn't set (KTOR-8318)
• Netty/Websockets: server processes hanging in CLOSE_WAIT state after many concurrent requests (KTOR-7965)
• Update JTE to the version supporting Kotlin 2.1.0 (KTOR-8030)

v3.1.2

Compare Source

Published 27 March 2025

Improvements

• Update Kotlin to 2.1.20 (KTOR-8081)
• Remove empty artifacts from publication (KTOR-8336)

Bugfixes

• URL-safe base64 decoding problem (KTOR-8292)
• Auth: AuthTokenHolder.clearToken executed in the middle of an ongoing token update doesn't actually clear (KTOR-8312)
• Android: "Array has more than one element" error when starting a server with release build (KTOR-7298)
• WebSockets: extensions in sec-websocket-extensions header must be separated by comma (KTOR-6384)
• OkHttp: Cancelling of SSESession.incoming flow doesn't cancel connection (KTOR-8244)

v3.1.1

Compare Source

Published 24 February 2025

Improvements

• Logging: messages are printed per line with OkHttp logger format (KTOR-8218)
• WebSocket and SSE don't respect connection timeout set in the HttpTimeout plugin (KTOR-8206)

Bugfixes

• formData: implementation of copying Source is broken (KTOR-8210)
• Race condition when writing to a buffer leads to NPE inside CIOReaderKt.readFrom (KTOR-8105)
• TLS client: IOException while writing to a closed TLS socket since 3.0.0 (KTOR-7860)
• Exception thrown in onCallRespond makes the client wait for response indefinitely (KTOR-7139)
• HttpCache: Cache isn't updated when Vary header for 304 response matches but not equal to Vary for 200 response (KTOR-7104)
• OOM on SourceByteReadChannel for large input (KTOR-8190)
• ArrayIndexOutOfBounds kotlinx-io (KTOR-8096)
• NPE in readBuffer (KTOR-8086)
• JS/WASM fails with "IllegalStateException: Content-Length mismatch" on requesting gzipped content (KTOR-7934)
• Resources: a / route isn't resolved when there is a sibling staticResources (KTOR-6671)
• Server accepts \r without a following \n as a valid line terminator in chunked transfer encoding (KTOR-8015)

v3.1.0

Compare Source

Published 11 February 2025

Features

• Add reconnection in ClientSSESession (KTOR-6242)
• Add heartbeat to SSE (KTOR-7908)
• Add serialization for SSE (KTOR-7435)
• Support WebSockets in Curl engine (KTOR-5199)
• Support conversion between byte channel interfaces and kotlinx-io primitives (KTOR-7327)
• Support CIO server on WasmJS and JS targets (KTOR-865)
• Logging: Format log like OkHttp client does (KTOR-7806)
• Support static linking for curl on all platforms (KTOR-6754)
• Support ARM target in Ktor client with Kotlin/Native and Curl (KTOR-4570)
• Unix Domain Socket Support for Native Targets (KTOR-6960)
• Support receiving multipart data with Ktor client (KTOR-6632)
• Client CIO engine support for wasm-js and js (KTOR-7675)
• Support NodeJs target for ktor-network (KTOR-6004)

Improvements

• Auth: BasicAuthProvider caches credentials until process death (KTOR-7775)
• CallLogging: Unhelpful log output "Application started: ..." (KTOR-7797)
• Add operator contains to ContentType objects (KTOR-8145)
• Darwin: Ambiguous DarwinHttpRequestException for SSL Pinning failure (KTOR-6759)
• Introduce ServerSocket.port to simplify port access for the bound server (KTOR-8136)
• Java, Js, Darwin: Response header Sec-WebSocket-Protocol is missing (KTOR-6970)
• Fail to parse url: file:/path/to/file.txt (KTOR-6709)
• Auth: Make re-auth/refresh status codes configurable (KTOR-7644)
• Add media type for Yaml (KTOR-8064)
• Logging: HTTP method is logged with the class name (KTOR-8011)
• Uncaught cannot write to a channel errors from ws-pinger (KTOR-8008)
• Apache5 client: Upgrade HttpClient to 5.4 (KTOR-8080)
• Swagger: Add deepLinking configuration (KTOR-8074)
• Access to the configuration options of a HttpClient plugin to tweak or wrap them with additional logic (KTOR-7213)
• Don't publish internal test artifacts (KTOR-8058)
• Micrometer: Add UptimeMetrics to standard meterBinders (KTOR-8061)
• MicrometerMetrics: Do not write unknown HTTP method names to metrics (KTOR-7658)
• Update to Kotlin 2.1.0 (KTOR-7866)
• ByteWriteChannel is missing writeFloat()/readFloat() (KTOR-7651)
• Engine exclusion from clientTests is confusing (KTOR-7723)
• UrlBuilder: Support telephone scheme (KTOR-4816)
• Swagger UI: Missing Favicon while browsing the UI (KTOR-7893)
• ContentNegotiation client plugin: no way to opt out of Accept on a per-request basis (KTOR-7722)
• receiveMultipart throws IllegalStateException instead of UnsupportedMediaTypeException (KTOR-7470)
• Implement a suspending version of EmbeddedServer.start(wait=true) (KTOR-7459)
• Allow to Disable Body Decompression on the Server for a specific call (KTOR-7679)
• UDPSocketBuilder missing bind overload with hostName and port (KTOR-7663)
• Make Url class @​Serializable and JVM Serializable (KTOR-7620)
• Improve parsing of supported media types (MIME types) (KTOR-7586)
• Migrate to kotlin.AutoCloseable (KTOR-7606)

Bugfixes

• ByteChannel read issue on min > 1 (KTOR-8172)
• CIO Server Engine fails for requests with more than 64 headers (KTOR-8164)
• OutOfMemoryError when sending a large binary file through ByteReadChannel converted from InputStream (KTOR-6185)
• Native Windows tests failing due to port exhaustion (KTOR-7392)
• Unable to close socket with open read/write channels on Native (KTOR-8144)
• Jetty idleTimeout not working (KTOR-8138)
• Fix concurrent flush and close in the reader (KTOR-8133)
• Socket.accept doesn't throw an exception on closing a socket on Native (KTOR-8135)
• "AbortError: BodyStreamBuffer was aborted" error when canceling parent job (KTOR-7734)
• Race condition when writing to a buffer leads to NPE inside CIOReaderKt.readFrom (KTOR-8105)
• ArrayIndexOutOfBounds kotlinx-io (KTOR-8096)
• NPE in readBuffer (KTOR-8086)
• JS/WASM fails with "IllegalStateException: Content-Length mismatch" on requesting gzipped content (KTOR-7934)
• SessionStorage.read() is called for non-authenticated routes and static assets (KTOR-7194)
• Read mutipart upload regression from 2.x to 3.x (KTOR-8082)
• HttpRequestRetry: race condition for isClosedForRead leads to EOFException: Channel is already closed (KTOR-8051)
• ktor-client-curl artifacts aren’t published after EAP 1146 (KTOR-8091)
• DoubleReceive: NullPointerException caused by race condition (KTOR-8045)
• Uncaught ClosedWatchServiceException exception thrown by finalizer when closing the server (KTOR-7963)
• Curl: Error linking curl in linkDebugExecutableLinuxX64 on macOS (KTOR-6361)
• ktor-server-core: Test files are part of the distribution code (KTOR-8003)
• Windows: undefined symbols in linker when ktor-client-curl is used (KTOR-4307)
• SaveBodyPlugin: UninitializedPropertyAccessException when reading response body within receivePipeline (KTOR-7952)

v3.0.3

Compare Source

Published 18 December 2024

Bugfixes

• "Module not found" errors when executing browserProductionWebpack task since 3.0.2 (KTOR-7912)
• Darwin: "IllegalStateException: Content-Length mismatch" on requesting gzipped content (KTOR-7943)
• JS/WASM fails with "IllegalStateException: Content-Length mismatch" on requesting gzipped content (KTOR-7934)
• FormFieldLimit is overwritten by default arg (KTOR-7946)
• A Performance issue reading with ByteReadChannel.readUTF8LineTo request body (KTOR-7941)
• Installing HttpCache before ContentEncoding prevents response body to be decoded (KTOR-7830)
• TestApplication.stop() doesn't stop the application anymore (KTOR-7682)
• File is not commited after closing writeChannel() of the file (KTOR-7845)

v3.0.2

Compare Source

Published 3 December 2024

Bugfixes

• ServletResponseBody is corrupted due to the wrong offset (KTOR-7904)
• File is not commited after closing writeChannel() of the file (KTOR-7845)
• CIO: Response body truncated because read amount of bytes isn't compared against Content-Length (KTOR-7828)
• HttpCache: IndexOutOfBoundsException on malformed Cache-Control header (KTOR-7172)
• call.respondSource returns empty response but passes in tests (KTOR-7683)
• ByteReadChannel.{readShort/readInt/readLong} leads to infinite loop when required bytes distributed in flush and read buffers (KTOR-7746)
• Routing: ContentType.match doesn't match wildcard content types (KTOR-7278)
• Connections aren't released properly if there are multiple parallel connections to the same address (KTOR-7777)
• FileItem.streamProvider is deprecated and doesn't have implementation (KTOR-7731)
• MergedApplicationConfig.toMap replaces nested configs completely without merging (KTOR-7008)
• Digest Auth: Ktor 3.0.1 uses the wrong "nc" value to calculate digest (KTOR-7681)
• JS: "ReferenceError: require is not defined" when compiling to ES Module (KTOR-6158)
• Chunked transfer encoding failure not caught with retry (KTOR-7618)
• HttpCookies: IllegalArgumentException when server returns a raw cookie with not allowed characters (KTOR-7469)
• DefaultRequest: Content-Type header of default request is not overridable (KTOR-6946)

Improvements

• Support binary (Smile) encoding in JacksonConverter (KTOR-7726)
• ServiceLoader.load call is slow on Android (KTOR-7698)

v3.0.1

Compare Source

Published 29 October 2024

Bugfixes

• Remove space from the default client user agent (KTOR-7655)
• Url.segments throws on URLs with root path (KTOR-7625)
• Digest Auth does not implement nc parameter correctly according to RFC 7616 (KTOR-4318)
• about:blank URL should be parsed correctly as about:blank (KTOR-7410)
• ByteReadChannel.{readShort/readInt/readLong} could lead to CPU-bound indefinite loop since 3.0.0 (KTOR-7571)
• CIO: Requests face connection timeouts when executed on the Android main dispatcher (KTOR-6803)
• receiveMultipart fails with "IOException: Failed to parse multipart" when content-type is capitalized (KTOR-7596)

Improvements

• WebSockets logging: The plugin calls toString() unnecessarily on transformed response body (KTOR-7623)
• INFO log message with all server interceptors on server startup (KTOR-7326)
• Digest auth: username and cnonce parameters aren't surrounded with quotes (KTOR-7561)
• ContentType.fromFilePath for newer file formats HEIC, AVIF, HEIF (KTOR-7536)
• Support missing native targets in ktor-serialization-kotlinx-xml (KTOR-7583)

v3.0.0

Compare Source

Published 9 October 2024

Bugfixes

• Darwin: The maxFrameSize option has no effect (KTOR-6963)
• KotlinReflectionInternalError (createClientPlugin) when running release APK on Android (KTOR-7479)
• Netty: UnsupportedOperationException is thrown when responding in CallSetup and CORS plugin is installed (KTOR-4433)
• MicrometerMetrics: Prometheus meter registry 1.13.0 generates configuration warning (KTOR-7035)
• Websockets/Auth: ProtocolException when requesting protected WebSockets endpoint (KTOR-7363)
• Data truncated in receiveParameters and receiveMultipart (KTOR-7201)
• The pathSegments returns empty strings for trailing slashes (KTOR-4402)
• HttpRequestRetry: exponential delay doesn't work for delays <= 1 second (KTOR-7294)
• JS browser: "Error: HttpClientCall expected" on HTTP request when targeting es2015 (KTOR-6882)
• Incomplete write using io.ktor.util.cio.FileChannelsKt#writeChannel (KTOR-1618)
• response.content.copyAndClose(targetFile.writeChannel()) sometimes loses some bytes (KTOR-3003)
• ByteWriteChannel.flush is not Waiting Until Flushing the Internal Buffer to the Destination (KTOR-3102)
• CORS check fails when the Origin header has a value without trailing slash (KTOR-5936)
• Closing socket and selector leaks descriptor on native (KTOR-7255)
• ConnectionUtilsNative leaks descriptors on error (KTOR-6977)
• withTimeout doesn't cancel socket connection on native (KTOR-5289)
• MockEngine: the ability to set dispatcher is removed (KTOR-6417)

Improvements

• Misleading readBytes method name (KTOR-6596)
• Remove reflection utils used only on JVM target from common source set (KTOR-7540)
• Weak security algorithm (MD5) in FileCacheStorage (KTOR-6589)
• Missing constants for AcceptEncoding (KTOR-6412)
• Add respondFile overload with Path parameters (KTOR-7202)
• MalformedInputException confusingly is a Throwable but not an Exception (KTOR-7316)
• CSRF: The allowOrigin method enables the Origin Header validation (KTOR-6695)
• Auth: Drop marker interface requirements (KTOR-7323)
• Routing: Support accessing the request body in RouteSelector (KTOR-7084)
• Make Cookie class Serializable (KTOR-6258)
• Make the internal Route.swaggerUI method public (KTOR-6491)
• Ktor clients and servers should use Dispatchers.IO.limitedParallelism(...) wherever possible (KTOR-6462)

Features

• Support androidNative targets (KTOR-7289)
• Provide the API that simplifies disabling CORS for testing purposes (KTOR-3329)
• Add support for mingw to ktor-network in order to make server and client work on windows (KTOR-4080)

v2.3.13

Compare Source

Published 20 November 2024

Bugfixes

• CIO: Requests face connection timeouts when executed on the Android main dispatcher (KTOR-6803)
• io.ktor.util.TextKt.chomp doesn't work on strings with more than one character (KTOR-7209)
• "java.lang.IllegalArgumentException: Failed requirement." in SelectorManagerSupport (KTOR-2914)
• Backport fix for CVE-2024-49580 to Ktor 2 (KTOR-7727)

Improvements

• Replace custom withTimeout implementation using WeakTimeoutQueue with coroutines.withTimeout (KTOR-3658)
• Add watchosDeviceArm64 target (KTOR-6368)

v2.3.12

Compare Source

Published 20 June 2024

Bugfixes

• NoSuchMethodError when using coroutines 1.9.0-RC (KTOR-7054)
• Server: Content-Type header for static js, css and svg resources misses charset (KTOR-6655)
• Embedded Linux device without iso-8859-1 and UTF-16 cannot use ktor-network (KTOR-7016)

Improvements

• Update netty to 4.1.111.Final (KTOR-7094)
• Update netty due to CVE-2024-29025 (KTOR-7014)
• Update dependency on swagger (KTOR-7019)

v2.3.11

Compare Source

Published 8 May 2024

Bugfixes

• Test client ignores socket timeout (KTOR-6909)

v2.3.10

Compare Source

Published 8 April 2024

Bugfixes

• CallLogging, StatusPages: response logged twice when status handler is used (KTOR-6839)
• NodeJS WebSocket client sometimes drops a frame received immediately after handshake (KTOR-6883)
• IPv6 addresses are not supported in NettyConnectionPoint and CIOConnectionPoint (KTOR-5383)
• JS browser: "Maximum call stack size exceeded" on HTTP request when targeting es2015 (KTOR-6878)
• CIO: File upload fails with NumberFormatException when uploading file larger than INT_MAX bytes (~2.1 GiB) since 2.3.0 (KTOR-6851)
• CallLogging: the plugin completely overrides MDC if at least one entry is configured (KTOR-6642)
• SSE plugin: Duplicated "Content-Type: text/event-stream" headers (KTOR-6735)
• CIO: "getSubjectAlternativeNames(...) must not be null" when IP-addresses are verified and no SAN in the certificate (KTOR-6746)

Improvements

• Inconsistent behavior of Netty and rest engines by returning null or empty string for query parameters without values (KTOR-6850)
• Android: no logs are present in Logcat with Logger.ANDROID (KTOR-1219)

v2.3.9

Compare Source

Published 4 March 2024

Improvements

• Allow to set secure cookie even with http scheme (KTOR-3159)

Bugfixes

• ContentNegotiation: the plugin appends duplicated MIME type to Accept header (KTOR-6684)

v2.3.8

Compare Source

Published 31 January 2024

Bugfixes

• "KeyStoreException: JKS not found" exception on Android when configuring secure connection (KTOR-6720)
• URLBuilder crashes on React Native platforms (KTOR-6576)
• CIO: Unable to perform WebSocket upgrade when Content-Type header is sent in the request (KTOR-6366)
• ContentNegotiation: Adding charset to content type of JacksonConverter breaks request matching (KTOR-6420)
• High Native Server Memory Usage (KTOR-6321)
• Server ContentNegotiation no longer allows multiple decoders for one Content-Type (KTOR-5410)
• Logging plugin blocks response body streaming when level is BODY (KTOR-6482)
• WebSockets: Confusing error message when server doesn't respond with Upgrade (KTOR-6397)
• {...} (tailcard) does not match URLs ending with '/' (KTOR-2121)
• HttpCache: NumberFormatException for cache-control with max age more than Int.MAX_VALUE (KTOR-6505)
• CORS: allowHost without the second argument doesn't allow the secure host (KTOR-6494)
• "ReferenceError: 'self' is not defined" when using URLBuilder in a custom JS engine (KTOR-5978)
• MDC diagnostic value is changed during logging of the request (KTOR-6528)
• WebSocket doesn't get terminated when runBlocking is used (KTOR-6664)
• CIO: "getSubjectAlternativeNames(...) must not be null" error on Android when using CA without SAN since 2.3.5 (KTOR-6396)
• RequestConnectionPoint should implement toString() (KTOR-6577)

v2.3.7

Compare Source

Published 28 November 2023

Bugfixes

• Server ContentNegotiation no longer allows multiple decoders for one Content-Type (KTOR-5410)
• High Native Server Memory Usage (KTOR-6321)
• WebSockets: Confusing error message when server doesn't respond with Upgrade (KTOR-6397)
• ContentNegotiation: Adding charset to content type of JacksonConverter breaks request matching (KTOR-6420)

v2.3.6

Compare Source

Published 7 November 2023

Bugfixes

• Resolved connectors job does not complete in TestApplicationEngine (KTOR-6411)
• Darwin: Even a coroutine Job is canceled network load keeps high (KTOR-6243)
• Darwin: EOFException when sending multipart data using Ktor 2.3.4 (KTOR-6281)
• Ktor JS client unconfigurable logging in node (KTOR-6275)
• CIO: getEngineHeaderValues() returns duplicated values (KTOR-6352)
• "Server sent a subprotocol but none was requested" when using Node WebSockets (KTOR-4001)
• YAML properties with literal value null cannot be read since 2.3.1 (KTOR-6357)
• AndroidClientEngine cannot handle content length that exceeds Int range (KTOR-6344)
• Client unable to make subsequent requests after the network disconnection and connection when ResponseObserver is installed (KTOR-6252)
• Outdated Gradle jib plubin does not support application/vnd.oci.image.index.v1+json media type (KTOR-6280)
• KTor 2.3.5 Kotlin 1.9.x upgrade is a breaking change (KTOR-6354)
• WebSockets (CIO): Connection Failure Due to Lowercase 'upgrade' in 'Connection: upgrade' Header (KTOR-6388)
• WinHttp: ArrayIndexOutOfBoundsException when sending WS frame with empty body (KTOR-6394)
• Update dependency com.auth0:jwks-rsa to v0.22.1

v2.3.5

Compare Source

Published 5 October 2023

Bugfixes

• 300+ ktor-client-java threads eat up lots of memory (KTOR-6292)
• Apache5 engine limits concurrent requests to individual route to 5 (KTOR-6221)
• DarwinClientEngine WebSocket rejects all received pongs (KTOR-5540)

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