New APIs in Java 27

Comparing Java 27 (27-ea+18-1643-open) with Java 26 (26+35-tem).

Element	Modification
java.base
java.lang.classfile.instruction
IncrementInstruction
of(Opcode, int, int)	added
java.lang.classfile
ClassFile
JAVA_27_VERSION	added
java.lang.foreign
MemorySegment
copy(String, Charset, int, MemorySegment, long,...	added
getString(long, Charset, long)	added
SegmentAllocator
allocateFrom(String, Charset, int, int)	added
java.lang.reflect
ClassFileFormatVersion
RELEASE_27	added
java.lang
Math
acosh(double)	added
asinh(double)	added
atanh(double)	added
StrictMath
acosh(double)	added
asinh(double)	added
atanh(double)	added
String
encodedLength(Charset)	added
java.security
KeyStoreSpi
engineGetCreationInstant(String)	added
KeyStore
getCreationInstant(String)	added
java.util.concurrent
ThreadPoolExecutor
finalize()	removed
java.util
EnumSet
spliterator()	added
Locale
getDisplayCountry()	- final
getDisplayLanguage()	- final
getDisplayName()	- final
getDisplayVariant()	- final
java.compiler
javax.lang.model
SourceVersion
RELEASE_27	added
java.desktop
java.awt.geom
Arc2D
getBounds()	added

Data Source

This report is based on simple comparison of all public and protected APIs of the Java SE packages of JDK builds 27-ea+18-1643-open and 26+35-tem. It does not make statements about compatibility.

For the latest Java versions the corresponding CSRs (Compatibility & Specification Review) are linked for a quick reference to find out about the reasoning of the change.