id	summary	status	type	priority	milestone	component
442	Add more primitive producers	new	enhancement	major	0.5	Primitives
443	Add zipping and merging components	new	enhancement	major	0.5	Combinators
444	The followedBy combinator needs to know about region ends	new	defect	major		Combinators
447	Add block-level IO	new	enhancement	major		Primitives
448	Try the finally tagless approach for shell	new	enhancement	major		Shell
449	Try inverting the producer/consumer arguments to seesawNested in pipeG	new	task	major		Streams
451	Add pattern-matching component type, its primitives and combinators	new	enhancement	major		Combinators
453	Add QuickCheck testsuite for monad-coroutine	new	task	major		Monad.Coroutine
454	Use Criterion for benchmarking	new	defect	major		Monad.Parallel
446	The merge function does not seem to run its argument coroutines in parallel	new	defect	minor		Monad.Coroutine
450	The substring and parseSubstring primitives could be made more bulky	new	task	minor		Combinators
452	Add support for time-tagged items	new	enhancement	minor		Combinators