id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc	lang	patch	platform
1548	[DEPRECATION] new_callback_p_p_p_s	plobsing		"new_callback inserts data into the user provided userdata parameter.

This opcode will be replaced with one of identical function with the exception of a new output parameter that provides a wrapping userdata object so that parrot's callback system does not trample over user's objects."	deprecation	new	normal		core	2.2.0	medium