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Mozilla Hacks – the Web developer blog

Get the latest updates from Mozilla Hacks – the Web developer blog directly as they happen.

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Latest posts

Last updated 17 days ago

Time for a review of Firefox 92

17 days ago

Release time comes around so quickly! This month we have quite a...

Spring cleaning MDN: Part 2

about 1 month ago

Illustration by Daryl Alexsy   The bags have been filled up with all...

Hopping on Firefox 91

about 2 months ago

Hopping on Firefox 91 August is already here, which means so is...

How MDN’s autocomplete search works

about 2 months ago

Last month, Gregor Weber and I added an autocomplete search to MDN...

Spring Cleaning MDN: Part 1

2 months ago

As we’re all aware by now, we made some big platform changes...

Getting lively with Firefox 90

2 months ago

Getting lively with Firefox 90 As the summer rolls around for those...

The Apple Compact Unwinding Format: Documented and Explained

3 months ago

  1 Background: Unwinding and Debug Info 1.1 Unwinding 1.2 Frame Pointer Unwinding...

Implementing Private Fields for JavaScript

4 months ago

This post is cross-posted from Matthew Gaudet’s blog When implementing a language...

Looking fine with Firefox 89

4 months ago

While we’re sitting here feeling a bit frumpy after a year with...

Improving Firefox stability on Linux

4 months ago

Roughly a year ago at Mozilla we started an effort to improve...

Introducing Firefox’ new Site Isolation Security Architecture

4 months ago

Like any web browser, Firefox loads code from untrusted and potentially hostile...

Pyodide Spin Out and 0.17 Release

5 months ago

We are happy to announce that Pyodide has become an independent and...