id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	launchpad_bug
443	set ETag on immutable directories, short-circuit on cache hit	warner	warner	"When retrieving an immutable file, the ETag header should be set to the file's URI. When retrieving a mutable file, it should be set to the current roothash value. When retrieving a directory, it should also be set to the roothash value.

The server should also use the right sort of If-Modified-Since dance, using the ETag to let browser caches do the right thing.
"	enhancement	closed	major	1.10.0	code-frontend-web	1.0.0	fixed	etag performance  news-needed	jeremy@… zooko