@uBlockAdmin uBlockAdmin released this Jun 14, 2018 · 2 commits to master since this release

Assets 5

Firefox WebExtension

Moving further towards Firefox WebExtension, we are releasing pure Firefox WebExtension version which will support Firefox version 52 and onwards.

We will be soon releasing this version to AMO.

@uBlockAdmin uBlockAdmin released this May 31, 2018 · 5 commits to master since this release

Assets 5

Firefox WebExtension

We are updating uBlock to support Firefox WebExtension API, as required by Firefox. The legacy version of Firefox is converted to the Embedded WebExtension which transfers the stored data of your legacy extension to a format that can be used by WebExtensions. To use this extension you will need to be on Firefox 52.0 to 56.*

Important: When you install uBlock/embed-webext for the first time, it will migrate all your user settings from legacy storage to WebExtension storage. During the first launch, You might experience some delay in readiness due to the migration process.

We will be soon releasing this version to AMO.

@uBlockAdmin uBlockAdmin released this Mar 22, 2018 · 13 commits to master since this release

Assets 4

We are excited to bring you uBlock for Chrome today. Here are just some highlights of what's new:

  • Cryptocurrency (Bitcoin) Mining Protection list is added to 3rd-party filter list under privacy section.
  • 3rd-party filter assets are updated to their latest version

if you are curious, here's a list of all the commits new to this release.

We hope you'll enjoy this release of uBlock!

Mar 20, 2018
Take out a line from README.md

@chrisaljoudi chrisaljoudi released this Jun 1, 2015 · 42 commits to master since this release

Assets 4

Update: there was a more recent pair of minor, Safari-only releases ( and which fix uBlock to be compatible (for now) with the upcoming OS X 10.11.

We're thrilled to bring you uBlock!

It includes usability and performance enhancement throughout; some noteworthy changes include:

  • Firefox performance improvements.
  • Fixes Safari filter-list update issues.
  • Enhanced storage API infrastructure (this solves issues for Safari users where their preferences were being lost; it shouldn't affect Chrome/Firefox users)
  • Firefox now lets you block resources right from Web Inspector's network request log! (To try this out, just right click on an entry in the net-log). Thanks to @AlexVallat from the uBlock team for implementing this feature and what he's been doing to make uBlock awesome on Firefox.
  • UI changes and additions — you'll come across them!
    • Dynamic filtering UI
    • Settings UI

Poll: There's a potential plan to enable uBlock to block requests made via Chrome's prefetching mechanism. This requires an extra permission for the uBlock extension (namely, privacy settings). While uBlock would modify the network prediction setting (without reading its previous value) to ensure all requests are filtered correctly, uBlock never reads or modifies any of your other settings. Your uBlock preferences never leave your computer. We never see any of your data.

Please feel free to share your opinion about whether this should be implemented via this poll.

We hope you'll love and enjoy this release of uBlock.

Your help making uBlock even better is much appreciated! We can't wait to hear your feedback.

As always, enjoy!


May 15, 2015
Version; Update third-party assets; prep dev build

@chrisaljoudi chrisaljoudi released this May 5, 2015 · 93 commits to master since this release

Assets 4

uBlock is here.

We're excited to bring you uBlock today. Here are just some highlights of what's new:

  • Cosmetic filtered elements are now logged in the request logger!
  • Safari: introducing support for inline-script blocking.
  • Many reliability and coverage fixes/improvements.
  • Toolbar badge performance improvements.
  • Popup behavior refinements.

... that is in addition to a number of smaller bug fixes and improvements driven by your reports — thank you. For the curious, here's a full list of changes since

We hope you'll enjoy this release of uBlock!


May 1, 2015
Prepare for dev build: 3p assets

@chrisaljoudi chrisaljoudi released this Apr 19, 2015 · 175 commits to master since this release

Assets 4

We're absolutely thrilled to bring you uBlock!

This release includes many improvements to uBlock — the areas of changes include (but are not limited to):

  • UI, icons, and color scheme refinement.
  • Reliability improvements for domain-based blocking.
  • Stability enhancements for Firefox.
  • Cosmetic filtering right from Firefox's Web Inspector.

If you're curious, here's a list of all the commits between and this release.

Notable changes

User interface refinements

From the typography to the icons, layout, and color scheme, you'll find refinements to uBlock's UI in this release that make it more pleasant and easier to use.

We've reengineered the method by which we render the icons, so they're rendered perfectly even if your browser has web fonts disabled.

Firefox reliability

@AlexVallat, the talented developer on our team responsible for fine-tuning uBlock for Firefox, has done a lot of work to improve the reliability and consistency of uBlock on Firefox. For example, uBlock now activates without needing a browser restart, and uBlock is more accurate at determining the origin domain for requests.

Bonus: you can now add element hiding rules right from Web Inspector in Firefox! Just right click on an element while in the inspector.

Stress-free navigation

uBlock will no longer stop you from navigating to websites. Instead, uBlock will specifically only block requests made subsequently after loading the page (such as images, scripts, etc.).

A lot more

Try out uBlock for yourself! We hope (and think) you'll love it — we welcome your feedback and questions as always.


uBlock homepage    Support uBlock Development

Apr 12, 2015
Element picker: cleanup and Firefox improvements (closes #1211)
In Firefox, you can now block an element right from the Web Inspector.
This was implemented by @AlexVallat -- thanks to Alex for the awesome
feature enhancement.