Oracle publishes release notes for every update. For 8u241, the changes were subtle but critical. Let's break them down into categories.
The primary driver for the release of Update 241 was security. The release addressed . Several of these vulnerabilities were critical and allowed unauthenticated remote code execution. java runtime 1.8 u241
: Oracle built in a "time bomb" for this JRE. It was designed to expire on May 14, 2020 , at which point it would begin showing users warnings and reminders to update to a newer version (likely 8u251). Oracle publishes release notes for every update
In the world of legacy software, Java Runtime 1.8 Update 241 (8u241) Java Runtime 1.8 Update 241 (8u241)