unite-shell VS gtktitlebar

There's a GitHub issue for that: https://github.com/hardpixel/unite-shell/issues/324

Maybe file an issue in GitHub repo so the developer can fix it.

This and this may be helpful

the best alternative to pixelsaver, but so ugly to use.

Unite

I use GTK Title Bar

Wouldn't you by any chance be using the Extension GTK title bar? It removes the title bar of non gtk apps in full screen.

I would also like to propose an alternate solution: keep the thicc titlebars, and instead, use this extension to automatically hide the titlebars when your windows are maximized/tiled. I don't so much mind big titlebars when my windows are floating - I'd like them to have SOME grippable handles so I'm not always moving all of my windows with Super+Left Click, but when they're maximized, I just don't need the grip yaknow. Especially because clicking+dragging on the top panel when a window is maximized will move the window, I just don't need the titlebar then.

I'm not 100% sure what you mean, but for non-GTK applications, https://extensions.gnome.org/extension/1732/gtk-title-bar/ <--- that extension really helps make things look nicer.

yes, you can remove it with this extension https://extensions.gnome.org/extension/1732/gtk-title-bar/

GTK Title Bar extension makes the experience much better.

You can't. That's the main disadvantage of Gnome IMO (other than usability). GTK apps just look like trash, there's nothing you can do about it, and Gnome comes with a lot of them. I guess this extension can make it better. It's not ideal but it's the best solution I've found.

For GTK apps, the title bar size is determined by it's buttons. For non GTK apps you might try this extension