0.9.0

Published 31 Oct 2017

Package structure reworked
Packages and maven groupId renamed org.jetbrains.ktor -> io.ktor
Server-related artifacts having ktor-server-* name prefix (ktor-netty -> ktor-server-netty)
Application Host renamed to Application Engine
FinalContent renamed to OutgoingContent as opposite to IncomingContent (introduced in 0.4.0)
Added Application Engine configure facilities so one can specify thread pool size or some engine-specific parameter
Initial idiomatic ktor HTTP client implementation (artifacts prefixed with ktor-client-*)
Metrics support, DropWizard integration
Improve routing API, tune resolution mechanics, hide some implementation details
ContentNegotiation feature to support variable content on send and receive
Jackson support
Experimental pure kotlin application engine on coroutines (CIOApplicationEngine) and CIO-based http client backend
Improved stability under load
Status pages processing improvements
A lot of documentation

0.4.0

Published 16 Aug 2017

Built with Kotlin 1.1.4
Refactored receive/response pipelines and moved them into respective ApplicationRequest & ApplicationResponse classes
Fixes, improvements and integration tests for HTTP/2 support
Update ContentType to treat all parts case insensitively
Remove ApplicationLog and use SLF4J Logger directly
Add HttpMethod.Patch and respective builder functions
routing function will now install Routing feature or use existing installed feature for easier modules
Convert sessions to proper feature, support multiple sessions, improve DSL
HeadRequestSupport feature is renamed to AutoHeadResponse (with deprecated typealias)
Replace ApplicationTransform with receive pipeline
Introduce send/receive pipelines for all call pipelines
Gson application feature for JSON transformation of incoming & outgoing data objects
Added HttpBin sample (thanks to @jmfayard)
Employ DslMarker annotation to prevent accidental use of route functions in get/post handlers
Improve diagnostics for untransformed content
Ensure missing file (FileNotFoundException) can be handled properly with StatusPages feature
Websocket fixes for large frames, fragmentation and more
Support for specifying config file with command line
Improvements in Servlet-based hosts
Memory allocation and performance optimisations
Add Apache 2 LICENSE file
Add documentation to some types
New sample for static content
Bump versions of dependencies

Published 22 Jun 2017

Execution model slightly changed to avoid global executors. ApplicationEnvironment doesn't provide executor anymore
Websockets refactored with channels instead of callback functions
Fixed bug with compression not preserving status code (thanks Diego Rocha)
Fixes in Netty support: performance issues under heavy load and keep-alive connections, cancellation, closed sockets
Fixes in session serialization, enums support
Optimisations in Servlet and Jetty hosts, fixes in edge cases
Fixes in chat sample

Published 24 Apr 2017

Fix bug in byte array response that missed Content-Length header
Fix default encoding in FreeMarker to be UTF-8
Fix FreeMarker writer
Fix charset for text/* content types to be UTF-8 by default
Fix Kweet sample application in kweet deletion
Fix form authentication to adhere to removal of post parameters from parameters
Rework static content DSL to improve usability
Improve Accept header handling in routes
Support local class in locations, improve diagnostics
Add servlet host tests running in Jetty, but using servlet deployment model
Benchmarks can now measure GC performance (and any other JMH profiler)
Performance optimisations

Published 7 Apr 2017

Replace routing function contentType with accept
Major refactoring in internal host system to simplify and unify code
- Use embeddedServer(Netty, …) instead of embeddedNettyServer(…)
- Support automatic reloading in embedded hosts
- Fix ApplicationTransform problems preventing Freemarker templates from working
Fix json and logback dependencies to avoid propagating to clients
Bug fixes & performance optimisations
Documentation

Published 8 Mar 2017