I liked the old launcher, because it had its own icon in the taskbar and wasn't grouped with other java programs (like Eclipse).
I created my own exe-Launcher with exe4j.
You can try it out - at your own risk.
You can download it jedit.exe
and place it in your jedit-directory c:\program files\jedit or so
in the Start menu
do a right-click on Jedit, select properties and change the target from
C:\WINDOWS\system32\javaw.exe -jar "C:\Program Files\jEdit\jedit.jar"
for using the "Open with Jedit" command the Explorer right mouse click context menu
In a shell run
do a backup
HKEY_LOCAL_MASCHINE/Software\Classes\*\Shell\Open with Jedit\command
"C:\......\javaw.exe -jar "C:\Program Files\jEdit\jedit.jar" -reuseview "%1"
"C:\Program Files\jEdit\jedit.exe" -reuseview "%1"
Try it out - enjoy
Saver and better than InternetExplorer