Small question Rated 5 out of 5 stars

Is there any chance to moove the sidebar to the right?

This is no replacement for Chrome's Tabs Outliner Rated 1 out of 5 stars

I was using Chrome for a while until I got tired of it opening dozens of separate processes, one for each tab. I switched back to FF and one thing I sorely missed from Chrome was their Tabs Outliner extension. It was fantastic. It had tons of options and the one I used was to display all tabs in all windows as a list of page titles with icons in a separate window. It was arranged by window with a subtree of tabs for each one. I could browse all my tabs in a couple of page downs. Nothing could be simpler or more useful for me as I have hundreds of tabs open in dozens of windows. This FF add-on is the closest thing I could find to Tabs Outliner but it is nothing like it. No option to display as list so you get a grid of thumbnails, occupying huge open spaces on the page, with the first word of the title for all hibernating tabs (I use Suspend Tabs to save on memory usage), which are the majority. So you can't tell what the thumbnails are referring to. Nothing could be more useless or occupy more page real estate. Huge disappointment. I think at the very least, the author should implement the tree list idea of Tabs Outliner as an option. That's the only way this could be salvaged.

Rated 5 out of 5 stars

Working generally well, I've never had issues with this addon.

Great but a little buggy Rated 4 out of 5 stars

Works really well, however it is missing a very important feature: searching through titles of unloaded tabs across all windows. I frequently maintain sessions of over a hundred tabs spanned over multiple windows, but I have it set so Firefox does not load these tabs until I click on the tab. However, I need the Showcase search to look through these unloaded tab titles in case it is relevant to my search. Currently, it seems to only do this for a single window, but in All Windows mode it does not search through unloaded tab titles.

Good (but buggy) Rated 4 out of 5 stars

Nice to have. I like it.Unfortunately, using Firefox 25 (and/or 25.0.1) with both Tab Mix Plus (by onemen, v 0.4.1.2.02) and Showcase (v 0.9.5.10) results here in steadily crashes as I try opening a link with "Open Link in New Tab" or "Open Link in Foreground Tab". This sometimes is followed by Firefox constantly crashing at startup - unless I manage to start in safe mode to switch to a different webpage that counts as the last opened one.The reason might be some change at the little arrow-down-button that usually shows a list (and/or view with Showcase) of recently opened tabs.Mail to both developers is done, this entry here is just for the meanwhile until it's fixed.

Rated 4 out of 5 stars

Doesn't work with tab groups. It shows thumbnails from all groups no matter what tab group is opened.

This user has a previous review of this add-on.

Top and Dock customization Rated 5 out of 5 stars

I love it ! and I customized the position (moved to the top) and the background (added a dock) please check my stylish style here > http://userstyles.org/styles/94040/topsidebar-tabspreview-dock

Great, but use it without cache on FF24.0 ! Rated 5 out of 5 stars

After invoking thumbnail cache firefox crashed again and again. By switching cache off it seems to work properly.

Rated 5 out of 5 stars

It's not the prettiest, but it doesn't need to be. It's fast and it has freaking everything, don't bother searching further for tab previews

Non-functional Rated 1 out of 5 stars

Sorry but I do not understand: Why replace a predefined function (group management) with a plugin that does not consider them (puts everything into a single list) and saving the previews to off. Unfortunately enabling the saving of the thumbnails FF crashes frequently!

Must have an update, Sir! Rated 5 out of 5 stars

I am LOST without this add-on. Really hoping there will be an update for FF 21.0

This review is for a previous version of the add-on (0.9.5.9). 

Rated 4 out of 5 stars

FF20.0 broke my favorite plugin. I use this many times each day. Hope we get an update soon.

This review is for a previous version of the add-on (0.9.5.9). 

PLEASE UPDATE!!! Rated 4 out of 5 stars

Hi. I love this add-on. Unfortunately it stop to work properly with FF 20.0 and up. Please, update it.
Thanks.

This review is for a previous version of the add-on (0.9.5.9). 

Hoping for an Update Soon Rated 5 out of 5 stars

Thanks for a great plugin! I was surprised FF20 broke it for me. Reinstall did not help.

This review is for a previous version of the add-on (0.9.5.9). 

Rated 4 out of 5 stars

Stopped working properly with the FF 20 upgrade.

Only shows loaded tabs now. Can't refresh any tabs because you can't see them all.

This review is for a previous version of the add-on (0.9.5.9). 

Can the icon be more beautiful Rated 4 out of 5 stars

I like it, but could you kindly redesign the icon in the tool bar.
It is ugly a little to me:)

This review is for a previous version of the add-on (0.9.5.9). 

Rated 5 out of 5 stars

Add an option to show loaded tabs only and hide all unloaded tabs, please.

This review is for a previous version of the add-on (0.9.5.9). 

Showcase 0.9.5.8 works great with Firefox 10 (ESR) and 11 by just disabling its cache option Rated 5 out of 5 stars

After updating from Firefox 3.6.28 to 10 (ESR) I got many crashes (also for Firefox 11) and after a view hours I was so disappointed that I just restored my system from the hard drive images I made before.

But I read Firefox 3.6.28 is end-of-life and therefore I tried Firefox 10 (ESR) again and enabled one plugin after the other and located that Showcase caused these many crashes.

I asked Josep for help and he told me this is a Firefox bug, NOT a Showcase issue.

To make Showcase working fine with Firefox 10 (ESR) too, you just go to Showcase options, select the advanced tab and DISABLE the topmost cache option.
Enjoy!

Regards
Helmut

This is Firefox 10 (ESR):
https://www.mozilla.org/en-US/firefox/organizations/all.html

This is the Firefox bug causing the crashes:
https://bugzilla.mozilla.org/show_bug.cgi?id=614772

This review is for a previous version of the add-on (0.9.5.8). 

Rated 4 out of 5 stars

FINALLY I found the cause for FF_9 crashes, puh. I even went through the ORDEAL of creating a new profile, exporting / importing most settings, the whole spiel, and now - by happenstance, stumbled across the root cause: turning on thumbnail caching caused the crashes, and Mariner's & rguer45's comments confirmed my suspicion that I'm not alone out there.

One of my essential addons. Has been rock-solid for years. 4-stars due to crisis described above. I'm even over the fact that so far Panorama and Showcase complement each other (rather than one doing the whole job). Thanks and much awaiting a FIIIIIIIIIIIIIIIIIIIIIIX. (but again: HUGE sigh of relief to have found the cause-of-crash)

had I only known earlier..............;-/

This review is for a previous version of the add-on (0.9.5.8). 

Rated 5 out of 5 stars

For me it's not only "thumbnail caching". Showcase crashes Firefox 9.0.1 every time I try to start my browser... :-(
Nevertheless 5 stars, because I loved it in previous versions and I'm positive, you will fix it soon. :)

This review is for a previous version of the add-on (0.9.5.7).