Firefox css webkit1/7/2024 This means that any WebKit specific styles you have within your sites could already be displaying in a browser you were not expecting them to. On a more urgent note, Microsoft Edge is already interpreting and displaying -webkit- prefixes in this way. I would wait until about March before testing with Firefox Nightly too thoroughly. Not all of the -webkit- prefix changes are in Firefox Nightly just yet, however this is the place to test how your website looks so far. It should be set to true by default if you have the latest Nightly version installed. To test your website before these changes reach Firefox 46/47, you can access the current state of the change in Firefox Nightly via the preference in about:config. These versions of Firefox will be out in either in April or May, so you have a bit of time to plan ahead. If you are a web developer out there who left out -moz- prefixes to avoid the need to test newer CSS features on Firefox - let’s assume you were on a tight deadline and the client forced your hand - you are going to need to retest that site in Firefox 46 or 47. You may already know which of your creations could break with this update.ĭevelopers, it is clearly time to rethink your approach to prefixes and test those websites. As professional web developers though, we do need to be thorough and understand that there are outlier results that may occur on some designs. Most websites online will have already included -moz- prefixes or will find that the updates by Mozilla improve their website compatibility with no action required. The approach by Mozilla and Microsoft is likely to be harmless to most websites. While prefixes have caused a bit of a mess with WebKit’s dominance, I think they succeeded in helping the web move forward quite rapidly. However, developers everywhere wanted to use them to access the latest features as soon as they could. “Official W3C policy states that you shouldn’t really use experimental properties in production code, but people do, as they want to make sites look cool and keep on the cutting edge.” – W3C page on optimizing content for different browsers The W3C and browser vendors did not intend for vendor prefixes to be used on production websites: Opera already began implementing -webkit- prefixes in 2012 and have since moved to the WebKit based Blink engine. This is not a new idea, Microsoft Edge supports a series of -webkit- prefixes too to ensure compatibility. By either Firefox 46 or 47 (released either in April or May 2016), Mozilla plan to implement support for a series of non-standard -webkit- prefixes to improve Firefox’s compatibility with a -webkit prefixed (and often mobile) web. While this is clearly a sign of less than ideal practices by developers over the past few years, it has led to quite an unfortunate but almost necessary move by Mozilla. The -webkit- prefix is now so dominant across CSS on the web that some websites fail to work properly without it.
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