This Annex to the Java SE 19 Specification contains the Java SE 19 version of the JVM Tool Interface (JVM TI).

The Java SE 19 version includes corrections and clarifications made to the JVM TI since the Java SE 18 version, that is, since the Final Release of JSR 393. These changes are flagged with colorful text, as follows:

• Text with light green background indicates new material in the Java SE 19 version.
• Text struck through on a light red background indicates deletion from the Java SE 18 version.

Informative background for these changes may be found in the following approved Compatibility & Specification Review (CSR) request:

• JEP 425 Virtual Threads (Preview)
  Compatibility & Specification Review
• Suspend/ResumeAllVirtualThreads need both can_suspend and can_support_virtual_threads
  Compatibility & Specification Review
• Clarify relationship between ThreadStart/ThreadEnd and can_support_virtual_threads
  Compatibility & Specification Review