What’s New in IntelliJ IDEA 2019.2? A Deep Dive into Performance and Smart Features
IntelliJ IDEA 2019.2, released on July 24, 2019, brings JDK 13 support, smarter code suggestions, duplicate detection, structured search, folder‑specific settings, enhanced cursor movement, tab shortcuts, large‑file handling, performance boosts, refined debugging, tighter Git integration, and a revamped plugin center, all aimed at improving developer productivity.
IntelliJ IDEA 2019.2 Overview
IntelliJ IDEA 2019.2 was released on July 24, 2019. According to the official blog and the author’s experience, the new version offers better performance, improved user experience, and more refined details.
JDK 13 Support
The IDE now supports JDK 13 out of the box.
Smarter Code Suggestions
Intention actions such as Alt+Enter provide more intelligent hints, showing reasons and shortcut keys directly in the editor.
Duplicate Code Detection
The duplicate code detection feature can identify copies even when variable names differ.
Structured Search
Structured search allows you to reuse previous searches without re‑entering criteria.
Folder‑Specific Configuration
Each folder can have its own formatting configuration via EditorConfig.
Cursor Word‑Movement Configuration
You can configure how the cursor moves to the next word and selects text.
Tab Smart Shortcuts
Pressing Tab can jump out of quotes or parentheses while coding.
Automatic Wrapping of Selected Code
Selecting code and typing “ or { automatically wraps the selection.
Large File Optimization
Opening large files is now smoother and faster.
New Class Dialog Improvements
The dialog for creating new classes has been redesigned.
File Size and Timestamp Display
A shortcut shows file size and modification time directly in the IDE.
Breakpoint Debug Window Enhancements
The breakpoint debugging window has a more harmonious layout.
Improved Git Integration
Git operations are more comfortable and integrated.
Performance Analysis
Various performance metrics have been improved, resulting in faster loading, project startup, and editing.
Higher Performance
Overall performance has been enhanced across the IDE.
Debug UI Updates
The debug icons and UI are more user‑friendly.
Plugin Center Changes
The plugin marketplace now allows unified settings for all plugins.
Note: Some features required manual enabling in earlier versions; they are enabled by default in 2019.2.
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Programmer DD
A tinkering programmer and author of "Spring Cloud Microservices in Action"
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