Confirm
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→NOT compatible: SM Version
==== NOT compatible ====
* {{addon|StumbleUpon|StumbleUpon 1.16}} (Collects Websites matching with user's interests), ***but*** seems to work fine after [http://forums.mozillazine.org/viewtopic.php?f=40&t=2834855 conversion].<!-- Rainer Bielefeld German Seamonkey 2.33 Build 20150308222025 on German WIN7 64bit -->
=== 2.7 and later ===
