So...
There IS a portable version of LMMS on this site, but the current version is 0.4.4, and as of 3/12/12, the latest version is 0.4.13. If you guys could update it, I would be very greatful. 
Thanks!
LMMS Portable LATEST VERSION 
New: Kanri (Oct 9, '24), Platform 29.5.3 (Jun 27, '24)
1,100+ portable packages, 1.1 billion downloads
No Ads November!, Please donate today
Visit the Community page
Join our forums
Subscribe to our email newsletter
Subscribe with RSS
Follow us on Facebook
Follow us on LinkedIn
Follow us on Twitter
Follow us on Mastodon
Follow us on BlueSky
Not sure you'll get anywhere, but try posting an update request in that thread as well.