Mike Conley mikeconley

Update: the original version of this gist required you to put some stuff into your Browser Console. I've made it easier now - there's a Firefox add-on you can install instead:

https://mzl.la/3sfOF1R

This will add a button to your toolbar (the green square), which upon clicking will copy the grid to your clipboard. Have fun!

IndexedDB

Set dom.indexedDB.storageOption.enabled to true, then restart the browser
Go to a webpage, and in the devtools console, paste this in:

let request = indexedDB.open(name, { version: 1, storage: "persistent" });

DRM

Subtitle and caption support for many sites in Firefox's Picture-in-Picture player window is targeted to ship in Firefox 100.

~~Hi! If you're reading this, then you've asked me about or otherwise expressed interest in supporting captions / subtitles in Firefox's Picture-in-Picture feature.~~

As of this writing, Firefox does not currently support captions or subtitles in the player window. This is because most sites have invented their own mechanisms for display captions or subtitles. YouTube's captions, for example, are implemented in a completely different way from Netflix's.

~~This makes it rather difficult for us as a browser to develop a general solution to the subtitles / caption problem.~~

~Difficult, but not impossible. We're currently working on ways for us to develop site-specific behaviours for Picture-in-Picture. This allows Firefox's Picture-in-Picture feature to be smarter in how it interacts with specific video sites. In theory, this would allow us to detect the subtitles and captions and disp

	commit 2078d7f60b84da33f0982579e105e0b73d0ac21c
	Author: Reem H <42309026+reemhamz@users.noreply.github.com>
	Date: Mon Jan 5 06:44:47 2026 +0000

	Bug 2007031 - Update ModalOverlay component to use native HTML dialog element. r=home-newtab-reviewers,nina-py

	Differential Revision: https://phabricator.services.mozilla.com/D277131

	commit 33bba5cfe4a89dda0ee07fa9fbac578353713fd3
	Author: Reem H <42309026+reemhamz@users.noreply.github.com>

	attachment:
	enabled: false
	required: false
	displayFields:
	- update_channel
	- download_url
	schema:
	type: object
	description: Download links for downloading the browser as part of a backup recovery.
	additionalProperties: false

	mconleys-MBP:mozilla-central mikeconley$ ./obj-artifact/dist/Nightly.app/Contents/MacOS/firefox --help
	Usage: ./obj-artifact/dist/Nightly.app/Contents/MacOS/firefox [ options ... ] [URL]
	where options include:

	--g-fatal-warnings Make all warnings fatal

	Firefox options
	-h or --help Print this message.
	-v or --version Print Firefox version.
	--full-version Print Firefox version, build and platform build ids.

	// STEPS:
	// 1: Make sure only the images you want are in the document (i.e., make a document with only the most recent headlines)
	// 2: Scroll down to the bottom of that document to ensure Google Docs has lazy loaded all of the images
	// 3: Run this in the console:
	// ```
	// copy(JSON.stringify([...document.querySelectorAll(".kix-canvas-tile-content image")].map(i => i.href.baseVal)))
	// ```
	// 4: Paste them in here:
	let urls = [];
	// 5: Increment this number to match the next Nightly blog post number:

	/*!
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	* NOTE: This file is generated by webpack from components.jsx
	* using the npm bundle task.
	*
	*/
	/******/ (function(modules) { // webpackBootstrap
	/******/ // The module cache
	/******/ var installedModules = {};
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