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Changelog

v3.1.0 (2017-07-10)

Fix a few minor issues after v3 release
Move docgen sub-pkg to https://github.com/go-chi/docgen
Move render sub-pkg to https://github.com/go-chi/render
Add new URLFormat handler to chi/middleware sub-pkg to make working with url mime suffixes easier, ie. parsing /articles/1.json and /articles/1.xml. See comments in https://github.com/go-chi/chi/blob/master/middleware/url_format.go for example usage.

Major update to chi library with many exciting updates, but also some breaking changes
URL parameter syntax changed from /:id to /{id} for even more flexible routing, such as /articles/{month}-{day}-{year}-{slug}, /articles/{id}, and /articles/{id}.{ext} on the same router
Support for regexp for routing patterns, in the form of /{paramKey:regExp} for example: r.Get("/articles/{name:[a-z]+}", h) and chi.URLParam(r, "name")
Add Method and MethodFunc to chi.Router to allow routing definitions such as r.Method("GET", "/", h) which provides a cleaner interface for custom handlers like in _examples/custom-handler
Deprecating mux#FileServer helper function. Instead, we encourage users to create their own using file handler with the stdlib, see _examples/fileserver for an example
Add support for LINK/UNLINK http methods via r.Method() and r.MethodFunc()
Moved the chi project to its own organization, to allow chi-related community packages to be easily discovered and supported, at: https://github.com/go-chi
NOTE: please update your import paths to "github.com/go-chi/chi"
NOTE: chi v2 is still available at https://github.com/go-chi/chi/tree/v2

Minor improvements and update to the chi core library
Introduced a brand new chi/render sub-package to complete the story of building APIs to offer a pattern for managing well-defined request / response payloads. Please check out the updated _examples/rest example for how it works.
Added MethodNotAllowed(h http.HandlerFunc) to chi.Router interface

After many months of v2 being in an RC state with many companies and users running it in production, the inclusion of some improvements to the middlewares, we are very pleased to announce v2.0.0 of chi.

Huge update! chi v2 is a large refactor targetting Go 1.7+. As of Go 1.7, the popular community "net/context" package has been included in the standard library as "context" and utilized by "net/http" and http.Request to managing deadlines, cancelation signals and other request-scoped values. We're very excited about the new context addition and are proud to introduce chi v2, a minimal and powerful routing package for building large HTTP services, with zero external dependencies. Chi focuses on idiomatic design and encourages the use of stdlib HTTP handlers and middlwares.
chi v2 deprecates its chi.Handler interface and requires http.Handler or http.HandlerFunc
chi v2 stores URL routing parameters and patterns in the standard request context: r.Context()
chi v2 lower-level routing context is accessible by chi.RouteContext(r.Context()) *chi.Context, which provides direct access to URL routing parameters, the routing path and the matching routing patterns.
Users upgrading from chi v1 to v2, need to:
1. Update the old chi.Handler signature, func(ctx context.Context, w http.ResponseWriter, r *http.Request) to the standard http.Handler: func(w http.ResponseWriter, r *http.Request)
2. Use chi.URLParam(r *http.Request, paramKey string) string or URLParamFromCtx(ctx context.Context, paramKey string) string to access a url parameter value

Released chi v1 stable https://github.com/go-chi/chi/tree/v1.0.0 for Go 1.6 and older.

Reuse context objects via sync.Pool for zero-allocation routing #33
BREAKING NOTE: due to subtle API changes, previously chi.URLParams(ctx)["id"] used to access url parameters has changed to: chi.URLParam(ctx, "id")