Get help with Firefox Developer Edition - Mozilla Support
Sep 14, 2021 · This article applies to Firefox Developer Edition. See Get community support for help with other Firefox browsers. Firefox Developer Edition integrates all the developer tools you'll need …
Biggest difference between regular Firefox and Developer Edition ...
Developer Edition (DE) is essentially re-branded Firefox Beta, so it is one release cycle ahead of the "normal" Release Firefox. While Beta tries as close as possible to what-is-to-become-the-next …
Why is Firefox Developer more stable and faster than regular Firefox ...
Nov 20, 2014 · Developer Edition is the only version that creates a new Profile upon installation. All other versions [Firefox Release, Beta, the old Aurora, and Nightly a1] will use the existing Profile, …
Detailed difference between Firefox, Beta, Dev and Nightly
May 18, 2021 · Firefox Developer Edition is a specially themed version of Firefox Beta, meaning both are future Firefox 89, currently on beta release 13 about 2/3 of the way through the beta cycle.
開発者向けのサポートサイト | Mozilla サポート
Oct 22, 2025 · Firefox Developer Edition 向けのヘルプ Firefox 開発ツールのユーザー向けドキュメント を探す。 MDN Web Docs を探す。 すべてのスキルレベル向けのチュートリアルやツール、サンプ …
Firefox Developer Edition 向けのヘルプ - Mozilla Support
Mar 20, 2015 · Firefox Developer Edition 向けのヘルプ Firefox Firefox 最終更新日時: 2015/03/20 33% のユーザーがこの記事が役立だったと投票しています Firefox Developer Edition は、開発に必要な …
获得 Firefox 开发者版本的帮助 | Firefox 帮助 - Mozilla Support
Nov 4, 2021 · 恢复书签和其他数据 Firefox 开发者版会创建一个新的 配置文件 来保存书签和其他用户数据。 请参看 在火狐开发者版本（Firefox Developer Edition）中恢复已丢失书签 来了解从其他配置 …
Use Firefox in another language | Firefox Help - Mozilla Support
Oct 20, 2025 · Note: If you are using Firefox Developer Edition or Firefox Nightly, you will need to download a new copy in the language you wish to use from the Firefox website. See the last section …
How to migrate profile from Firefox to Firefox Developer edition ...
Jul 16, 2015 · The Firefox Developer Edition can use the same profile as the Firefox release. The DE version uses a special "dev-edition-default" profile, but you can use the Profile Manager to create a …
Custom installation of Firefox on Windows | Firefox Help
Aug 15, 2025 · When you use the simplified online Firefox Installer described in the How to install Firefox on Windows article, you can't make any changes to the installation, such as the program …