In Ubuntu 11.04, save/open dialog cannot remember the maximize state, when I maximize the dialog, the dialog is maximized but return unmaximized when I reopen it again, that because the maximize button on it is created by compiz window decorator, and the maximize button is not available when using the ordinary gnome desktop. So it may be better for Ubuntu to have the modificated version of save/open dialog (GTKFileChooser) that could remember maximize state by default.

In Ubuntu, I can change the volume level using keyboard multimedia shortcut, however, I cannot change the volume level when playing fullscreen game like hedgewars. But I have solved this on my notebook with installing esekeyd.

I interested to play Spiral Knights game in Ubuntu, this game support fullscreen playing, however the game return windowed after closing. So, I should reconfigure the game to be in fullscreen every time before playing. It was annoying, and it happen in Natty with Unity Session. So, I think it was related to compiz. After looking hours for what compiz plugin that cause the fullscreen game to be windowed, I found that compiz workaround plugin -> legacy fullscreen support was not enabled by default. So I enabled it and the game can now to start in fullscreen..

When I share my idea link through facebook, I cannot include my idea vote status in my link. A way to include vote status image in Facebook may help Ubuntu users promoting their idea...

I really love Ubuntu. I want it to be more beautiful and more customizable than Windows. So it maybe very nice to have more customizable login window that can beat Windows login window. With more customizable login window, we can enjoy the beautiful login window as beautiful as Windows login window. We can also have the user picture displayed very big like in Windows login window. No border around user list. No gtk based window for user list, that make it ugly like classic style login window.

In windows, we can do right click on recent documents, such as: open with, send to, etc. It maybe helpful if Ubuntu user can do it on Ubuntu recent documents...

In Windows, there are 2 options to log in to the system, using classic login window, or the normal login window. These 2 options are used too for locking the screen. In Ubuntu, when we choose to lock the screen, so we press any key or move the mouse, the screensaver unlock window open, so we must choose switch user to to show the gdm login window. So, it maybe good to have another option to unlock the locked screen with gdm login window without choosing to switch user.
Gdm login window is more customizable then screensaver unlock window..
We can immediately switch user with it.. With screensaver unlock window, we must choose switch user to show gdm login window and then switching to other user...

When Ubuntu checking updates or downloading them in the background, update notifier just show package manager is running. So, I don't know whether it is checking updates or downloading them.

Yelp(Some help viewer in Ubuntu) already has the ability to find text in the help content. But when I type "man something" in terminal, I cannot find text in the help content. Also, some help page may contains very many content and sections, so I must scroll my keyboard up and down or scroll my mouse manually to go to some section. Then yelp and other Man Page Viewer (graphical on non-graphical) should have more usable features...

Archive Manager can open all type of archives, but if the additional archive unarchiver program is not installed yet, the archive manager automatically run the wizard to install the needed program, such as unrar, etc.
Example: Totem can also open many type of multimedia format, if it cannot open file because codec is not installed, it will run the wizard to install the codec.