6.5 - Sidebar tabs hover title preview is not able to be disabled.

[jh34ghu43gu]

What happened?

Referencing the popup of the title when hovering over a tab: https://imgur.com/vYucmVD

The delay before it appears is way too short and it seemingly does not go away until you click elsewhere which is incredibly annoying. I do not need to see these titles and should be able to disable it but all the settings I have checked have no effect.

browser.tabs.hoverPreview.showThumbnails - false - This functions at least and doesn't preview the entirety of the tab, but the title text still exists. browser.tabs.hoverPreview.enabled - false - This functions when tabs are horizontal, as expected by the name, but does not apply to sidebar nor does a similarly named setting seem to exist. browser.sidebar.hoverTabPreviewDelayMs - 50000 - Despite setting this to what should be 50 seconds, the title text still appears even on a <1 second mouseover when moving to my other monitor.

No other sidebar settings seemed relevant. Maybe a feature request but feels like this should be disable with browser.tabs.hoverPreview.enabled

Reproducible?

• [ ] I have checked that this issue cannot be reproduced on Mozilla Firefox.

Version

G6

What platform are you seeing the problem on?

Windows

Relevant log output

No response

[d5ve]

I also came here to complain about this new behaviour!

Waterfox 6.5.0 (64-bit) on macOS.

After reading your notes, I turned off browser.tabs.hoverPreview.showThumbnails which made things suck slightly less thanks.

browser.sidebar.hoverTabPreviewDelayMs doesn't seem to do anything for me either. The tab title pops out and hangs around like a bad smell no matter how short a time the mouse pointer is over the tab.

[bdericks]

Also went looking for a place to report this and found it already reported! So +1. It's a minor annoyance, but because you run into it anytime you switch sidebar tabs, it wears on you very quickly. I don't mind how quickly the previews appear if they also would disappear just as quickly on mouse out instead of staying until you click elsewhere.

[nordoceltic82]

Tab previews need to vanish on mouse-out, not with a click in the page. This is an annoying issue.

[jh34ghu43gu]

Appears to still be an issue in 6.5.2 despite the vague note about "Fixed various vertical tab issues."

There is another option browser.sidebar.showTabPreview that I didn't note in my original post but it doesn't do anything when I change it to false.

[rubaboo]

I don't mind how quickly the previews appear if they also would disappear just as quickly on mouse out instead of staying until you click elsewhere.

Tab previews need to vanish on mouse-out, not with a click in the page. This is an annoying issue.

After reading your notes, I turned off browser.tabs.hoverPreview.showThumbnails which made things suck slightly less thanks.

Agree, still sucks, and thank you.

[lokrok]

A temporary work-around to hide them is to add this into your userChrome.css:

html popupset#mainPopupSet panel#tab-preview-panel {
  display: none;
}

[jh34ghu43gu]

A temporary work-around to hide them is to add this into your userChrome.css:

html popupset#mainPopupSet panel#tab-preview-panel {
  display: none;
}

I must be doing something wrong because I cannot get this to work.

I have opened the root and local directories from the active profile in about:profiles and created a chrome/userChrome.css file in both of them with

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

html popupset#mainPopupSet panel#tab-preview-panel {
  display: none;
}

as the content, restarted, and nothing changed. After some searching I found https://github.com/portapps/waterfox-portable/issues/78 so I disabled waterfox theme customization and restarted again and nothing changed. I am using system theme - auto 1.3

[rubaboo]

Worked for me. I did not put @namespace line in there. And I did not need to disable Waterfox theme customizations. Now I only get a plain tooltip on folded tabs (that disappears the moment I move the mouse), and nothing otherwise.

[rubaboo]

A temporary work-around to hide them is to add this into your userChrome.css:

html popupset#mainPopupSet panel#tab-preview-panel {
  display: none;
}

@lokrok Could you explain how to find an element like that. I tried "Pick an element" in the Browser Toolbox, but this panel is transparent to the mouse. I was getting the elements of the page under it getting selected instead.

[jh34ghu43gu]

Worked for me. I did not put @namespace line in there. And I did not need to disable Waterfox theme customizations. Now I only get a plain tooltip on folded tabs (that disappears the moment I move the mouse), and nothing otherwise.

Removing the namespace line fixed it thank you, I added it due to a wiki page I found on how to create the chromeUser.css file.

[lokrok]

@lokrok Could you explain how to find an element like that. I tried "Pick an element" in the Browser Toolbox, but this panel is transparent to the mouse. I was getting the elements of the page under it getting selected instead.

I manually sifted through the elements under the browser toolbox until I found something that appeared to be relevant and added display: none to its style and seen if it changed.

[MLJay1]

Thank you so much, this was driving me insane 😭

A temporary work-around to hide them is to add this into your userChrome.css:

html popupset#mainPopupSet panel#tab-preview-panel {
  display: none;
}

[smokey58au]

I'm also having the same issue as the other posters above - Kubuntu 24.04. It's extremely annoying that the text preview doesn't disappear when you move away from the tab, it even stays displayed over the top of other windows, making it a complete pain to have to shift back to the browser, click somewhere on the page, and then make sure you don't accidentally hover over another tab before going back to the original window. I'll try the css option, but this should be a function that just works without css intervention.

Edit: The css option works for me, thanks @lokrok

[fpelosin-cvl]

fuxxing annoying. I made it work with @lokrok workaround, but still pops up a textbox that you need to click anyway to make it disappear. still less intrusive...