• enhancement - added "imports" folding support. See #694.
• enhancement - added Convert to static import code actions. See #958.
• enhancement - added Java 12 support. See #959.
• enhancement - eliminated CPU usage when idling on Windows. See #960.
• enhancement - added UI to manage ambiguous imports. See #966.
• bug fix - fixed occasional NPE when navigating to class, on Linux. See #963.