Change log...
This is a maintenance release to address a number of potential security vulnerabilities.
Most notably among them:
Use-after-free while replacing/inserting a node in a document
Content Security Policy inline-script bypass
A few additional memory safety hazards and crashes that could theoretically be exploited
Additional note: the initial binaries as-published had a missing component that caused saving of a session to malfunction and not properly restore. If you have downloaded 12.3 x86 between 12:00 and 17:00 Central European Summer Time (Z+2) on 17/7/2012, or x64 on the same day between 12:00 and 19:00, you may have a faulty browser and you should download and re-install the browser. Apologies for the inconvenience!
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