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The "Breaking_changes" page has been changed by DaveCottlehuber: http://wiki.apache.org/couchdb/Breaking_changes?action=diff&rev1=27&rev2=28 Comment: docs now reflect the awesome reality of CouchDB == Changes Between 1.1.0 and 1.2.0 == - * _users database: + === _users database === + - * User documents can now only be read by the respective users as well as admins, but not other or anonymous users. + * User documents can now only be read by the respective users as well as admins, but not other or anonymous users. - * Views can only be defined and queried by admins. + * Views can only be defined and queried by admins. - * The `_changes` feed can only be queried by admins. + * The `_changes` feed can only be queried by admins. - * _replicator database: + === _replicator database === + - * Documents will now have a forced `owner` field that corresponds to their authenticated user name. + * Documents will now have a forced `owner` field that corresponds to their authenticated user name. - * Users that are not the owner of a replication document will not see confidential information like passwords or oath tokens. The rest of the information is visible though. Admins can see everything. + * Users that are not the owner of a replication document will not see confidential information like passwords or oath tokens. The rest of the information is visible though. Admins can see everything. - * Views can only be defined and queried by admins. + * Views can only be defined and queried by admins. + + === document and view file compression === + + * The new optional compression of disk files requires an upgrade of the on-disk format (5->6) which occurs on creation for new databases and views, and on compaction for existing ones + * This format is not supported in previous versions, so rollback would require replication to the previous CouchDB release, or restore from backup + * adding {{{compression = none}}} to your {{{local.ini [couchdb]}}} section disables compression but the ondisk format will still be upgraded as above + * file compression is enabled by default == Changes Between 1.0.0 and 1.1.0 ==
