From the changelog.txt:

[MOD] cms: added an option for availability of print option in cms
[NEW] google-map: new feature, used for usermap and self-location
[FIX] polls: changed polls admin access permission to be distinct from admin one
[MOD] user: added an option to remove all pages from user when deleting user
[NEW] trackers: new export page in csv format
[FIX] trackers: made filter work with categ field type
[FIX] trackers: fixed trackers to accept zero when a numeric field type is mandatory
[FIX] galaxia: added a check for name of start activity
[FIX] maps: freeing now image memory after request to avoid bloating
[FIX] cms: fixed db commpat for print view (reads->nbreads)
[FIX] newsletter: set up the from address to default from when sending newsletter
[MOD] multi: added $local_php and $multi optional vars for geeks only
[SEC] several vars added to sanitization to avoid cross-site scripting
[FIX] devtools: improved sqlupgrade script for when password includes a quote 
[MOD] lang: major improvement of finnish translation
[MOD] lang: update of de, fr, it
[MOD] wiki: changed lock icon
[FIX] wiki: made sorting respect find filter
[MOD] pear: replaced clone() by cloneNode() because reserved in some recent php
[MOD] styles: improvement of mose.css style
[MOD] styles: improvement of trollparty.css style
[FIX] html: made alternate link displayed only if perms ok
[FIX] tabs: fixed cycle with a reset
-[DB] added 3 perms and 1 pref
[FIX] Enables download of file galery 's files bigger than 2MB