Update ktor monorepo to v3.3.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
io.ktor:ktor-client-logging	3.2.2 -> 3.3.3
io.ktor:ktor-serialization-gson	3.2.2 -> 3.3.3
io.ktor:ktor-client-content-negotiation	3.2.2 -> 3.3.3
io.ktor:ktor-client-android	3.2.2 -> 3.3.3
io.ktor:ktor-client-core	3.2.2 -> 3.3.3

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Release Notes

ktorio/ktor (io.ktor:ktor-client-logging)

v3.3.3

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Published 26 November 2025

Improvements

• KTOR-6837 Discrepancies when parsing URL host with CIO and Darwin engines compared to the rest engines
• KTOR-9050 Logging: SimpleLogger should be an object, not a class
• KTOR-9094 Jetty Client: Support HTTP/2 over cleartext (h2c)
• KTOR-9120 OpenAPI gen: missing operationId for KDoc fields
• KTOR-3019 Improve logging for CORS plugin

Bugfixes

• KTOR-8671 Netty: RejectedExecutionException during shutdown on MacOS when dev mode is enabled
• KTOR-9096 Darwin: New SSE handlers stop responding after canceling few SSE sessions
• KTOR-9125 Double ResponseSent invocation when exception is thrown after respond
• KTOR-8878 OpenAPI: StackOverflowError when a response object has property with @​Contextual serializer
• KTOR-8947 Java, ContentEncoding: IllegalHeaderNameException is thrown for ":status" pseudo header with HTTP/2
• KTOR-9092 NettyHttp2Handler throws IllegalArgumentException: 'ktor.ApplicationCall' is already in use
• KTOR-8924 Curl: Client sends both Transfer-Encoding and Content-Length headers for DELETE requests with body
• KTOR-8838 Exception handling issue in client cache

v3.3.2

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Published 5 November 2025

Improvements

• WebRTC Client. Remove redundant targets (KTOR-9062)
• Add Socks proxy support to Darwin engine (KTOR-8968)
• Java: Improve error message when SOCKS proxy is used (KTOR-2908)

Bugfixes

• HttpRequestRetry: SendCountExceedException when max retries is more than maxSendCount of HttpSend (KTOR-5850)
• Darwin: The maxFrameSize option has no effect (KTOR-6963)
• OpenAPI: StackOverflowError when a response object has property with @​Contextual serializer (KTOR-8878)
• OpenAPI gen: missing KDoc fields (KTOR-9021)
• Server call.request.path() returns routing selectors in path (KTOR-7639)
• StaticContent doesn't allow siblings (KTOR-9012)
• HttpCache: FileStorage doesn't use given dispatcher for all file operations (KTOR-8832)
• Curl: SOCKS proxy doesn't work (KTOR-9008)
• Netty: java.lang.VerifyError is thrown on Android since 3.3.0 (KTOR-8916)
• Response body channel is canceled while the body is being saved when having HttpRequestRetry and onDownload (KTOR-8975)
• HttpCache: InvalidCacheStateException when varyKeys stored in files contain uppercase letters since 3.3.0 (KTOR-8970)

v3.3.1

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Published 8 October 2025

Improvements

• Add a note about SSE session lifetime in KDoc (KTOR-8440)
• Update Kotlin to 2.2.20 (KTOR-8896)

Bugfixes

• NumberFormatException when Content-Length header value contains null bytes (KTOR-4828)
• SerializationException: Serializer for class 'ClientSSESession' is not found when server responds with JSON (KTOR-7631)
• Netty: loadConfiguration missing enableHttp2 and enableH2c properties (KTOR-8898)
• Netty: EmbeddedServer.stop always blocks for twice of shutdownGracePeriod (KTOR-8770)
• shutdownGracePeriod is used instead of shutdownTimeout in EmbeddedServer.stop() (KTOR-8771)
• Support serving static resources within bootJar (KTOR-8592)

v3.3.0

Compare Source

Published 11 September 2025

Features

• Support for server side http2 without tls (h2c) (KTOR-4750)
• OpenAPI generation build extension preview (KTOR-8721)
• Serve static resources with caching headers and ETag based on sha256 of content (KTOR-6700)
• Jetty engine: Upgrade Jetty dependencies to the latest version 12 (KTOR-6734)
• Static content: Support a custom respond logic if the file is not found (KTOR-8496)
• Upgrade OkHttp to version 5.0.0 (KTOR-8652)
• WebRTC Client, Android + WASM (KTOR-7958)

Improvements

• SSE: Cannot read response body from SSEClientException (KTOR-8165)
• SSE: "SSEClientException: Content-Length mismatch" on saving response body in DefaultResponseValidation (KTOR-8753)
• var Route.staticRootFolder: File? should be deprecated (KTOR-5836)
• Add image/bmp to the ContentType (KTOR-8735)
• Add some missing image content types (KTOR-8624)
• Upgrade to Kotlin 2.2 (KTOR-8647)
• Bump Kotlin API level to 2.2 (KTOR-8637)
• CIO: The engine ignores system proxy settings (KTOR-5922)

Bugfixes

• Performance regression when using ContentEncoding and HttpRequestRetry since 3.2.0 (KTOR-8820)
• Big number of simultaneous outbound web socket connections leads to a coroutine deadlock (KTOR-8829)
• DI: JobCancellationException during cleanup (KTOR-8785)
• Autoreloading: JobCancellationException when app is reloaded in the debugger since 3.2.0 (KTOR-8810)
• HttpRedirect: The client is redirected when no Location header in response (KTOR-8697)
• SerializationException when Application.propertyOrNull() is called with type Map<String, Any?> (KTOR-8781)
• "Failed resolution of: Ljava/lang/management/ManagementFactory" on Android when JvmGcMetrics are initialized (KTOR-8714)
• HttpCache: all header values but first in HttpResponse.varyKeys() are ignored (KTOR-6402)
• HttpCache: plugin selects wrong cache entry when filtering Vary headers with different case (KTOR-7621)
• CountedByteWriteChannel: autoFlush of the source channel doesn't make the channel auto flushing (KTOR-8411)

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)

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