Firefox 147 release notes for developers
CSS anchor positioning, Navigation API, WebGPU on Apple Silicon, and DevTools improvements.
Firefox news
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Firefox 146 release notes for developers
CSS and MathML improvements plus new APIs and Navigation API preview.
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Firefox 145 release notes for developers
New CSS, JS and media features plus experimental security and layout APIs.
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What’s new in Firefox 144 for developers
View Transitions in SPAs, command/commandfor attributes, getOrInsert(), and moveBefore().
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What’s new in Firefox 143 for developers
New color formats in color input, ::details-content, ::before::marker, and grid improvements.