For more information, refer to Timezone Data Versions in the JRE Software. JDK 15.0.2 contains IANA time zone data version 2020d.The full version string for this update release is 15.0.2+7 (where '+' means 'build').It is not recommended that this JDK (version 15.0.2) be used after the next critical patch update scheduled for January 19, 2021. In order to determine if a release is the latest, the following Security Baseline page can be used to determine which is the latest version for each release family.Ĭritical patch updates, which contain security vulnerability fixes, are announced one year in advance on Critical Patch Updates, Security Alerts and Bulletins. Oracle recommends that the JDK is updated with each Critical Patch Update (CPU).