No one knows. But if you ask the devs, they will say 'when its done'. One clue might be to monitor the bugs/issues scheduled for 4.0. When they are all resolved, then its ready.
On Wed, 2012-04-04 at 09:41 -0700, srinivas konchada wrote: > Hello every one > Does any one know when Solr 4.0 will be released? there is a specific > feature that exists in 4.0 which we want to take advantage off. Problem is > we cannot deploy some thing into production from trunk. We need to use an > official release. > > > Thanks > Srinivas Konchada