OpenJDK Release Schedule is a free calendar you can subscribe to on Nundina, with 5 dates listed. Data from OpenJDK. Subscribe to it on Nundina and every date lands in your own calendar, updated automatically.
Rampdown phases, release-candidate build and General Availability day for each six-monthly JDK release, from the official schedule on openjdk.org, for Java teams planning upgrades.
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