Java SE version history (updated)

Version	Name	Release	Major new features
17 (LTS)		9/2021	sealed class
16		3/2021	record
15		9/2020	Text blocks
14		3/2020	Switch expressions
11 (LTS)		9/2018	HTTP Client and WebSocket APIs Run (single file) source code
9		2016	JSR 294: modular JDK (Jigsaw) Searchable javadoc JAXB 2.3
8 (LTS)	Spider	3/2014	JSR 335: lambda expressions Collections Stream Framework JSR 310: Date and Time API Compact profiles JSR 308: annotations outside declarations (on usage)
7	Dolphin	7/2011	language (project coin): switch on strings, multi catch, try with autoclosing resources, empty generics (diamond operator), binary literal, underscores in numbers NIO.2 file handling Fork/Join concurrency JAX-WS 2.2 (SOAP 1.2, WS-I 2.0, metro 2.0)
6	Mustang	12/2006	JSR 223: scripting language support JSR 224: JAX-WS2.0 (metro 1.x) JSR 221: JDBC 4 (driver autoloading)) Perfomance enhancements in synchronisation and garbage collection
5	Tiger	9/2004	language (JSR 201): Enumerations, autoboxing, enhanced for loop, static import, vararg JSR 175: Annotations JSR 14: Generics java.util.concurrent java.util.Scanner RMI automatic stub generation
1.4	Merlin	2/2002	language: assert regular expressions JSR 51: NIO JSR 47: java.util.logging JSR 54: JDBC 3 (metadata API, autogenerated keys, transaction savepoints, multiple || resultsets/statement) security and cryptography
1.3	Kestrel	5/2000	HotSpot JVM RMI/CORBA support JNDI
1.2	Playground	12/1998	Collections Swing JIT compiler Browser plugin JDBC 2.1 (datasources, distributed transactions, connection pooling,RowSet, ResultSet backscrolling and updating )
1.1		2/1997	AWT events reorganisation inner classes JavaBeans JDBC RMI reflection
1.0		1/1996

Here's an overview of Java EE versions