This is a very short post, but it’s worth putting up because it shows how browser features go from a vendor-specific implementation to a fully supported standard.
In Firefox 3.5 we no longer support the Mozilla-specific CSS property -moz-opacity. Developers wanting to set the opacity of an element should use the standard opacity property instead.
We introduced the opacity property way back in Firefox 0.9 and -moz-opacity was deprecated. And with Firefox 3.5 we’ve finally removed it.
A long road for a simple property, but it’s worth mentioning so people understand the time scale for these kinds of features and how they relate to standards.
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