Older Android devices that still run Jelly Bean (JB) - or the versions of the OS from 4.1 to 4.3 - will no longer be able to run Google Chrome. The minimum API level for this app is being reset to 4.4 (or KitKat). This may not seem like a big deal; however, millions of devices out there still run JB.
https://www.notebookcheck.net/Buh-bye-Jelly-Bean-Chrome-on-Android-now-only-supports-KitKat-4-4-or-higher.337266.0.html