Rich Text Editor dropdown missing few icons for FireFox users

CM1
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Using the latest FF v42 something, see screenshot attached.

Happy Thanksgiving y’all!

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Any progress on this? This affect on latest Chrome. Please check before releasing the 5.3 version.

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Ok, you can mark this as resolved. It seems to be fixed on 5.3.0 Build 201603R25 (0) on both Firefox and Chrome. Thanks.

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