The force is strong with us today as we release RTIR 5.0.4. 
This release includes a useful new process articles feature, along with bug fixes and compatibility with RT 5.0.4 (also strong in the force).
Our documentation site has notes on upgrading and detailed release notes. As always, when upgrading RTIR, first upgrade RT to the corresponding version to get all of the new features and fixes in RT, then upgrade RTIR.
https://download.bestpractical.com/pub/rt/release/RT-IR-5.0.4.tar.gz
https://download.bestpractical.com/pub/rt/release/RT-IR-5.0.4.tar.gz.asc
SHA-256 sums
a00fd1a723d8a7b67d66227168dfac3958d8f805134ff540532276fbb25a496d RT-IR-5.0.4.tar.gz
dea6c11cedc49a97db8381338880506150408971dafc122a6bceb6aa40511c7d RT-IR-5.0.4.tar.gz.asc
And May the Fourth be with you!