I've just pushed version 0.9 of Sentris (codename: Glacier) live to Steam! This build is the last early access release. It includes the following features: 

* Brand new seamless front-end 
* Rewritten sequencer for high-precision musical timing 
* New album "Concept Album" which introduces game concepts at a better pace 
* 3 modes: Puzzle, Remix, Performance 
* 10 levels 
* 12 musical voices to pick from in Remix/Performance mode 
* Custom loop length and time signatures in Performance mode 
* Numerous performance improvements and bug fixes

Enjoy this build and look forward to the final 1.0 release this summer!