Release Notes: For concurrency models that use sendfile or IO.copy_stream, HTTP Range requests are honored when serving static files.
Release Notes: This release fixes EventMachine support. There's nothing relevant for most users who do not use EventMachine.
Release Notes: This release adds hijacking support for Rack 1.5.x users. There is also a new -N/--no-default-middleware option, and a few corner-case bugfixes/cleanups.
Release Notes: This release fixes two EventMachine bugs.
Release Notes: This release adds a bugfix to allow stream(:keep_open) in Sinatra (and possibly other async.callback users) to work properly with EventMachine. There are no changes for non-EventMachine users.
Release Notes: This release adds one bugfix for users of Fiber-based concurrency options.