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Amazon shipped six Corretto lines on 18 August 2026, four weeks after the July release. On five of them the OpenJDK update digits never move, so version-based inventory cannot tell patched from unpatched.
Manu Shukla 
Oracle JDK 21 updates left the free NFTC licence with the 20 October 2026 Critical Patch Update. Oracle's subscription now starts at $100 a year, and three of the four ways out cost nothing.
Manu Shukla 
Java 17 Premier support ran to September 2026 and Oracle JDK 21 updates left the free No-Fee licence on 20 October 2026. Oracle's list now starts at $100 a year. How to choose a Java partner.
Manu Shukla 