- update to Firefox 51.0
* requires NSPR >= 4.13.1, NSS >= 3.28.1
* Added support for FLAC (Free Lossless Audio Codec) playback
* Added support for WebGL 2
* Added Georgian (ka) and Kabyle (kab) locales
* Support saving passwords for forms without 'submit' events
* Improved video performance for users without GPU acceleration
* Zoom indicator is shown in the URL bar if the zoom level is not
at default level
* View passwords from the prompt before saving them
* Remove Belarusian (be) locale
* Use Skia for content rendering (Linux)
* MFSA 2017-01
CVE-2017-5375: Excessive JIT code allocation allows bypass of
ASLR and DEP (bmo#1325200, boo#1021814)
CVE-2017-5376: Use-after-free in XSL (bmo#1311687, boo#1021817)
CVE-2017-5377: Memory corruption with transforms to create
gradients in Skia (bmo#1306883, boo#1021826)
CVE-2017-5378: Pointer and frame data leakage of Javascript objects
(bmo#1312001, bmo#1330769, boo#1021818)
CVE-2017-5379: Use-after-free in Web Animations
(bmo#1309198,boo#1021827)
CVE-2017-5380: Potential use-after-free during DOM manipulations
(bmo#1322107, boo#1021819)
CVE-2017-5390: Insecure communication methods in Developer Tools
JSON viewer (bmo#1297361, boo#1021820)
CVE-2017-5389: WebExtensions can install additional add-ons via
modified host requests (bmo#1308688, boo#1021828)
CVE-2017-5396: Use-after-free with Media Decoder
(bmo#1329403, boo#1021821)