After 15 months, GRUB2 Editor received a new release today. Highlights of this release are: GRUB submenu support (introduced in GRUB 2.00), LibQApt 2.x support (for removing old entries), proper check for memtest entries and various [bug] fixes. All in all, updating to the latest version is highly recommended.
*ADDED: Preliminary submenu support.
*ADDED: Preliminary LibQApt 2.x support.
*FIXED: Manage some ImageMagick crashes.
*FIXED: Improved security by detecting GRUB paths at compile-time.
*FIXED: Fixed the encoding issues in the helper.
*FIXED: Check for the memtest script in the helper.
Catalan (ca), Catalan (Valencian) (ca@valencia), Czech (cs), Danish (da), German (de), Greek (el), Spanish (es), Estonian (et), Finnish (fi), French (fr), Irish Gaelic (ga), Galician (gl), Hungarian (hu), Italian (it), Lithuanian (lt), Norwegian Bokmål (nb), Dutch (nl), Punjabi/Panjabi (pa), Polish (pl), Portuguese (pt), Brazilian Portuguese (pt_BR), Romanian (ro), Russian (ru), Slovak (sk), Slovenian (sl), Swedish (sv), Turkish (tr), Ukrainian (uk), Chinese Traditional (zh_TW).
I would like to thank all KDE translators who were involved. Their work is very much appreciated!
There are packages for most major distributions (i.e. Arch Linux, Debian, Fedora, openSUSE, Ubuntu). Please take a look at the Downloads page.