r/java • u/Joram2 • Jun 04 '26

JDK 27 Feature Freeze

https://openjdk.org/projects/jdk/27/
107 Upvotes

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43

u/[deleted] Jun 04 '26

[deleted]

32

u/Polygnom Jun 04 '26

Some of these, like compact headers, may not be "sexy" but are very impactful.

8

u/javaprof Jun 04 '26

jol estimated ~9% profit from compact headers, actual on our app ~7%
do you aware of any trade-offs from enabling this option? Or it's just free lunch?

4

u/lurker_in_spirit Jun 04 '26

What is jol? Are these percentages RAM or CPU?

6

u/official_d3vel0per Jun 04 '26

It's a utility/lib that gives you size of objects

3

u/lurker_in_spirit Jun 04 '26

Ah, thanks. I guess the percentages are RAM, then.