Diễn đàn hỗ trợ Firefox

The keyboard shortcut to take screenshots [Ctrl + Shift + S] used to work a few weeks ago but it has stopped working for quite a while now. Doesn't work on any site, I can only create screenshots by right clicking and pressing the button manually.

In the year 2024, firefox still does not allow a simple way to set any URL you would like as the new tab url (without an extension).

Users were previously able to use extensions like NewTab override to have a relatively seamless experience changing their new tab page. However after certain changes, these said extensions can no longer set your new tab page to a local file, and can also no longer clear and focus the address bar.

I am simply requesting a feature within firefox to set a custom new tab page, without having to create any external configs, or without using any extensions. This basic feature has been available in chromium browsers for years, and firefox already includes a feature just like this for the "Homepage and new windows" setting, where it allows you to input a custom URL to a local file or site to put it as your homepage. However, this same setting for some odd reason does not exist for the "new tabs" option. Why is this?

As of now, I've had to use a manual override along the lines of this:

``` // shenanigans for setting a different new tab page const { classes: Cc, interfaces: Ci, utils: Cu } = Components; const { AboutNewTab } = Cu.import("resource:///modules/AboutNewTab.jsm", {}); // path to new tab can be a url or file const newTabURL = "file:///home/faaris/.local/packages/startpage/fazzi/index.html"; // set the new tab URL AboutNewTab.newTabURL = newTabURL; ```

this should not be needed. Having to modify files in system protected folders should not be needed for such a simple option.

Hello,

I wanted to ask if there’s a way to configure the setting for "Store data in permanent storage" (or "Daten im dauerhaften Speicher speichern" in German) to always block/disable ALWAYS via Group Policy or Registry Editor.

As we are a small company, I would like to apply this setting for all Active Directory users.

Thank you

Best regards,

Andreas

Please add a Custom wallpaper options, Your browser has been the best so far i have used many browsers but i would love to have a custom wallpaper option and live wallpaper option too if possible just like operaGX has. Anyone can upload a wallpaper there.

How do I permanently change the "overflows" attribute of the new sidebar button to false so it doesn't disappear on me when I resize the window and I still need my tabs?

I was planning to start using the AI chatbot sidebar finally, tried out all of the free options available and settled on HuggingChat. The very next day, HuggingChat ceased operations. I don't really like the other preset options, but I have a couple of other models that I would be interested in trying out. Is there some way to add a different model than the five preset or am I just out of luck?

Hi all,

I’ve been experimenting with Firefox’s new AI chat integration and adding custom prompts via `about:config` using `browser.ml.chat.prompts.#`.

Right now, prompt values are static JSON strings, like:

```json {"label":"Answer","id":"answer","value":"Answer selected question"} ```

This works great for fixed text, but there’s no way to dynamically include useful context like the **current page URL**.

For example, I’d like to create a prompt like:

```json {"label":"Summarize w/ URL","id":"summarize_with_url","value":"Summarize this selection. Page URL: {{url}}"} ```

…but currently, `{{url}}` (or similar placeholders) isn’t supported, and the AI chat doesn’t automatically pull the page URL as context.

This means I either have to manually copy/paste the URL or use a separate bookmarklet workaround, which breaks the smooth workflow.

• • Feature request:**

• Add support for variables like `{{url}}`, `{{title}}`, or `{{selection}}` in `browser.ml.chat.prompts`.
• This would make prompts far more powerful and let AI chat automatically reference page context.

Has anyone found a hidden about:config trick for this, or can this be added to Firefox’s roadmap?

Thanks!

Hi All

I am trying to set up a background image to my FFX home page. In other browsers that is simple; I see no simple way in FFX. Is this a failing? Can it be overcome, simply?

I am uncomfortable with the push for unnecessary ai content and features on firefox and if they are added without easy ways to remove or disable I will be switching to a different browser

I am unable to locate the setting Enable Link preview. I am using Firefox 142.0 on Windows 10 Home 22H2. This setting does not appear under Settings>General>Browsing. Are there other settings that are required to enable this facility?

New installation of Debian 13, Firefox setup with sync on successful. However, I wanted to add hone button and a few other mods to the toolbar but when I started customize the toolbar from menu pic the customization page would not work, it appeared and seemed OK but when I dragged and dropped anything it would not work. I could pickup items but they would not place in toolbar and just snapped back to the pallet. I tried several different ways to enter the customization area but it was always non-functional.

I just purchased a year subscription for the Mozilla VPN. I want to be able to verify that the FireFox browser I'm using is accessing the web via the VPN. How do I verify that? I don't see any icon indicated that it's a VPN connection.

I opened Firefox today to find that nothing would show up, at first I tried clicking on the icon on the taskbar, but it just made the icon bounce with the window briefly popping into view. That's when I realized that Firefox was completely offscreen and unusable.

For context, last night, I had 3 windows open, two were regular sessions, the last one was a private session I had open on a temporary second monitor that I unplugged afterward. My dad lended it to me, so I'd rather not ask him again unless I absolutely have to. I closed them in order making sure to close the default window last thinking that Firefox would open there next time I launch it, but comes tomorrow and when I launch Firefox it opens off-screen and I can't interact with the window at all.

There also seems to be no way to bring it back directly to my screen on this garbage OS everyone calls "windows 11" according to their help forum: https://learn.microsoft.com/en-us/answers/questions/4139775/app-runs-off-screen-in-windows-11?page=2#answers

So, I'm commenting here via brave browser, first to report a bug because I don't think Firefox should remember the last position of a private window of all things, but also because I don't know where else to go to ask that question since windows 11 itself cannot seem to have an option to solve this problem either. I know the position is stored in the profile folder, so what should I edit in there to get Firefox back where it should be? No, I will not delete/reset it it has a ton of search engines and settings that Firefox won't sync.

I have a Snowflake add-on, which requires WebRTC for connections. But WebRTC is not permanently active in my Firefox browser. See image. I activate WebRTC by toggling the config variable media.peerconnection.enabled into 'true' and the add-on works. For some time, only! After a couple of days it is back to 'WebRTC not detected'. What is wrong?