== JDK 25
openjdk version "25.0.4.1" 2026-08-18 LTS
 size_t InitialHeapSize = 98566144 {product} {ergonomic}
 size_t MaxHeapSize = 1568669696 {product} {ergonomic}
 size_t SoftMaxHeapSize = 1411802726 {manageable} {ergonomic}
 bool ZUncommit = true {product} {default}
 uintx ZUncommitDelay = 300 {product} {default}
-- probing -XX:+ZAdaptiveHeapSizing
Unrecognized VM option 'ZAdaptiveHeapSizing'

== JDK 27
openjdk version "27" 2026-09-15
 size_t InitialHeapSize = 8388608 {product} {ergonomic}
 size_t MaxHeapSize = 1568669696 {product} {ergonomic}
 size_t SoftMaxHeapSize = 1411802726 {manageable} {ergonomic}
 bool ZUncommit = true {product} {default}
 uintx ZUncommitDelay = 300 {product} {default}
-- probing -XX:+ZAdaptiveHeapSizing
Unrecognized VM option 'ZAdaptiveHeapSizing'

== JDK 28-ea
openjdk version "28-ea" 2027-03-23
 size_t InitialHeapSize = 8388608 {product} {ergonomic}
 size_t MaxHeapSize = 1568669696 {product} {ergonomic}
 size_t SoftMaxHeapSize = 1411802726 {manageable} {ergonomic}
 bool ZUncommit = true {product} {default}
 uintx ZUncommitDelay = 300 {product} {default}
-- probing -XX:+ZAdaptiveHeapSizing
Unrecognized VM option 'ZAdaptiveHeapSizing'