Announcing Java updates of Jan 21, 2025 for 8, 11, 17, 21, and 23: thoughts and resources

TLDR: The new updates are 1.8.0_441 (aka 8u441), 11.0.26, 17.0.14, 21.0.6, and 23.0.2, respectively. Crazy that there are now 5 current Java releases, I realize. More below, including more on each of them including what changed as well as bug fixes and the security fixes each version contains (including their CVE scores regarding urgency of concerns), which are offered in Oracle resources I list below.

Oracle calls these updates "critical patch updates" (yep, "CPU"), but they are in fact scheduled quarterly updates, so that the "critical" aspect of this nomenclature may sometimes be a bit overstated. As is generally the case with these Java updates, most of them have the same changes and fixes across the four JVM versions, though not always.

For some folks, that's all they need to hear. For others, read on.

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