Omni-Crypt was updated for this change in version 1.7. The latest version is now 1.9.
Yes, you're right that it won't impact the db store file as the Textsecure is more about the realtime transmission. But WhatsApp has also upgraded the db version to Crypt8 which is currently Tri-Crypt is not capable to understand, that's why the s...
Now suport Android L too... try out and let me know for any trouble...