* September 16, 2011: Eighteenth public release 1.2.4
* Fix a bug with MRI regex engine to prevent XSS by malformed unicode
* May 22nd, 2011: Thirteenth public release 1.3.0
* Various performance optimizations
* Various multipart fixes
* Various multipart refactors
* Infinite loop fix for multipart
* Test coverage for Rack::Server returns
* Allow files with '..', but not path components that are '..'
* rackup accepts handler-specific options on the command line
* Request#params no longer merges POST into GET (but returns the same)
* Use URI.encode_www_form_component instead. Use core methods for escaping.
* Allow multi-line comments in the config file
* Bug L#94 reported by Nikolai Lugovoi, query parameter unescaping.
* Rack::Response now deletes Content-Length when appropriate
* Rack::Deflater now supports streaming
* Improved Rack::Handler loading and searching
* Support for the PATCH verb
* env['rack.session.options'] now contains session options
* Cookies respect renew
* Session middleware uses SecureRandom.hex
* May 22nd, 2011: Fourteenth public release 1.2.3
* Pulled in relevant bug fixes from 1.3
* Fixed 1.8.6 support
* July 13, 2011: Fifteenth public release 1.3.1
* Fix 1.9.1 support
* Fix JRuby support
* Properly handle $KCODE in Rack::Utils.escape
* Make method_missing/respond_to behavior consistent for Rack::Lock,
Rack::Auth::Digest::Request and Rack::Multipart::UploadedFile
* Reenable passing rack.session to session middleware
* Rack::CommonLogger handles streaming responses correctly
* Rack::MockResponse calls close on the body object
* Fix a DOS vector from MRI stdlib backport
* July 16, 2011: Sixteenth public release 1.3.2
* Fix for Rails and rack-test, Rack::Utils#escape calls to_s
* September 16, 2011: Seventeenth public release 1.3.3
* Fix bug with broken query parameters in Rack::ShowExceptions
* Rack::Request#cookies no longer swallows exceptions on broken input
* Prevents XSS attacks enabled by bug in Ruby 1.8's regexp engine
* Rack::ConditionalGet handles broken If-Modified-Since helpers
* October 1, 2011: Nineteenth public release 1.3.4
* Backport security fix from 1.9.3, also fixes some roundtrip issues in URI
* Small documentation update
* Fix an issue where BodyProxy could cause an infinite recursion
* Add some supporting files for travis-ci
* October 17, 2011: Twentieth public release 1.3.5
* Fix annoying warnings caused by the backport in 1.3.4
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