This thread discusses the article 
    CB 1.4 Released
Many Thanks to all Community Members who helped in making this release possible.
Here the full changelog:
  Features (12)
#1824	CB login module: add CB substitutions to texts
#1895	Add new substitutions for CB
#1991	New modern JS validations needed, inclusive for username and password length
#2241	Update jQuery, jQueryTools and jQuery plugins to latest
#2257	Optimize number of queries made by Kunena for loading users
#2273	Add coolness icons to CB default core template
#2279	CB Substitutions: add default, output, formatting, reason options for fields and tab
#2286	Display php upload_max_filesize on the right of CB plugins installer upload button
#2291	Credits page needs a lift-up
#2308	J1.6: Top CB horizontal Menu missing in Joomla 1.6.0
#2311	Add link to CB plugins / CB Solutions on Plugins Management in CB
#2322	J1.6: CB Login Module: Adapt html markup to match Styling of J1.6 core login module
  Bug (58)
#2151	imgToolbox.class.php has language string that is not translated
#2154	Advanced search in CB User Manager does not handle is not date clause
#2163	J16: Backend: not possible to create users
#2167	Accidenly install from directory deletes language plugin
#2169	auto generate passwords invalid
#2170	CB Login module: BR element after avatar img not conditional to horizontal display
#2196	Date fields searching not reloading with correct search values
#2199	J16: system and user language is not selected
#2201	J16: articles plugin causes database error
#2202	J16: _ticker/_log function is now protected resulting in errors during redirects in debug mode only
#2203	J16: login without password via CB API no longer works
#2205	Forums integration plugin not displaying sidebar for Kunena 1.6 and greater
#2207	J16: myCmsGid function is returning the group instead of the ID
#2208	J16: getCfg() for hits and visits does not function
#2209	Kunena 1.6: missing social fields for forum integration plugin
#2219	J1.6 API does not support multiple user groups
#2220	J1.6 CB 1.3.1 Back-end does not support multiple user group membership
#2224	Kunena Forum Integration parameters need revising
#2225	J16: multi-usergroup management not possible
#2229	using $user->store() appears to clear params
#2230	Backend buttons are not resizible
#2239	J16: Avatars lost
#2240	J16: Patches
#2243	PHP 5.3 Email library: Sending attachments gives a notice
#2244	J16: create or edit user : illegal attempt to set user at higher level than allowed !
#2245	CB 1.4 alpha : Backend: CB User Manager user editing email without changes always results in email address error message by ajax
#2246	J16: user parms not showing in user edit
#2248	J16: backend: radio parameters not aligned (visible e.g. in CB Privacy plugin)
#2249	Code Mirror as editor does not save in CB field description backend
#2250	J1.6: username regex is not the right one: 1.6 is like 1.5
#2254	Update cbteamplugins_language.php file for CB Team plugins
#2256	J1.6: Password Autogenerate set to Yes - still requires backend user creation to set passwords
#2260	J1.6 : Backend : Users Management : Group Filter doesn't work
#2261	CB1.4RCa1 regression: Email fields apear in Advanced search area in CB User Manager
#2262	J1.6: Backend: Mass email does not sent message body when using Codemirror editor
#2263	Update README and UPGRADE files for CB 1.4 RC
#2264	Upgrade Installation pdf for CB 1.,4 RC
#2265	J1.6: Backend : CB User Manager group filtering also filters resulting user groups
#2267	curvycorners-object-error : bug in 1 of 2 curvycorner debug-mode ifs
#2268	j1.6 : CB 1.4 alpha regression: end usage found in _getCmsUserObject needs replaced with API
#2270	J1.6: CB plugins are using access levels: stay compatible with CB 1.x access values
#2271	J16.0 : language plugin names can not be english name of language anymore and must be ISO tag as name inexistent in XML file
#2272	Tabs in div+title mode have missing class and a style in div instead
#2274	CB1.4RC_Installation.pdf
#2277	J1.6: - New language folder names are lower-case on Linux causing failure
#2280	J1.6: SQL error when fixing user table in "Tools"
#2283	J1.6 : Session expired bug
#2287	J1.6: JFactory::getUser()->groups not always array?
#2288	J1.6: setting page title appears to not function
#2289	J1.6: New language ini file / process needed for backend CB menu translations
#2301	Kunena karma buttons missing in advanced mode
#2304	Lastupdate 1 hour bug in J! 1.5 and CB 1.3.1 / CB 1.4.0
#2305	Html tags shown, when mouse hover input field - Profile Edit mode and Registerform
#2306	J1.6: not possible to change Moderator Groups
#2307	PMS UddeIM integration : needs modification for %livesite%
#2314	CB 1.4 RC regression: Opera (latest): Username and email ajax checkers do not work
#2320	CB 1.4 RC only: missing language string "This field is required" in cbteamlanguages file
#2324	J1.6: Backend: Database checks for ACL need new table names
Full details: 
    CB 1.4 Closed tracker items on CB Forge