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Savage Chickens by Doug Savage for Mon, 18 Nov 2019

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Savage Chickens by Doug Savage on Mon, 18 Nov 2019

Source - Patreon

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jgbishop
4 hours ago
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This sounds so familiar...
Durham, NC
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Google Begins Testing Extension Manifest V3 Which Kills Adblockers

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Chrome

Google has begun testing their upcoming extension manifest V3 in the the latest Chrome Canary build, and with this initial 'alpha' release, developers can begin testing their extensions under the upcoming specification.

In a post to the Chromium Extensions Google group, Simeon Vincent, a Google Developer Advocate for Chrome Extensions, stated that as of October 31st a developer preview of the extension manifest v3 is now available in the Chrome 80 Canary build.

"Think of it as an early alpha. The "dev preview" is the first opportunity for extensions developers to start experimenting with a work-in-progress version of the MV3 platform. 

We're far from finished with the implementation work on the MV3 platform, so first and foremost expect changes. 

As for what's changing, the four big-ticket items in MV3 are:

  • Host permissions changes
  • Blocking webRequest -> declarativeNetRequest
  • Background page -> service workers
  • Remotely hosted code restrictions"

The declarativeNetRequest API has already been available for experimentation in Chrome Canary and we're continuing to iterate on it's capabilities

As part of this launch, Google has created a Migrating to Manifest V3 guide that developers can use to migrate their existing extensions.

The most controversial aspect of the extension manifest v3 is the upcoming changes to the webRequest API. In v3, Google has changed the API so that extensions can only monitor browser connections, but not modify any of the content before it's displayed.

Instead Google wants developers to use the declarativeNetRequest API, which has the browser, not the extension, strip content or resources from a visited web sites.  This API, though, has a limit of 30,000 rules that can be created.

Unfortunately, this change will break popular ad blockers such as uBlock Origin, which rely on the original functionality of the webRequest API and need more rules than are available in the declarativeNetRequest API.

Testing changes in extension manifest v3

If you are using the current Chrome Canary build you can test the new changes by creating your own extension and setting its manifest version to 3.

BrowserNative.com, who first reported about the developer preview launch, shared with BleepingComputer a test extension that can be used to test the new changes.

For example, in the extension manifest.json file below, the version has been set to 3 and it's using a background.scripts call.

Background.scripts manifest
Background.scripts manifest

As background.scripts is no longer supported, trying to load the extension will generate an error, as shown below, that states you need to "use the "background.service_worker" key instead".

Error when using unsupported APIs
Error when using unsupported APIs

If you switch the extension to use a service_worker instead then the extension loads properly into Google Chrome.

Background.service_worker Manifest
Background.service_worker manifest

All extension developers should consult the migration guide to make sure their extensions will work properly with the upcoming manifest v3 changes.

While they are now in preview, Google expects the manifest v3 to go live in 2020 with the v2 end of life to be determined in the future.

Let's block ads! (Why?)

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jgbishop
7 days ago
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I could imagine Google backpedaling on this a little, but I'll definitely switch back to Firefox if they don't. Surfing without an ad-blocker is just not an option for me.
Durham, NC
GaryBIshop
5 days ago
I'm thinking of setting up my Pi as a blocker for our home network.
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French postal workers helping lonely older people (2018)

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jgbishop
8 days ago
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Interesting service.
Durham, NC
GaryBIshop
7 days ago
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How To Annoy Your Owner: a Cat's Guide On Twitter

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annoying cats

Who would come out on top in a competition of World's Worst Cat? After @_cingraham shared a story of his cat's mischievous attitude, it prompted other people to chime in with their pets' worst qualities.


Submitted by:

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jgbishop
8 days ago
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It's just a matter of time before Ziggy figures this out...
Durham, NC
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Laws and Sausages - Lesson Twenty One: Part 1

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New comic!

Today's News:
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jgbishop
9 days ago
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This is a good one.
Durham, NC
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1 public comment
DexX
9 days ago
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Part one of five. Click through for the rest.
Melbourne, Australia

Chrome, Firefox to Hide Those Annoying Site Notification Prompts

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Firefox and Chrome plan to hide those annoying browser notification prompts that ask you to subscribe to content when you visit many sites. Instead both browsers will display a small indicator that lets you know that a site offers notifications and you can decide if you wish to subscribe to them. [...]
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jgbishop
13 days ago
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Hooray!
Durham, NC
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