godot-4-migration
Godot 4 Migration Guide
Overview
A critical guide for developers transitioning from Godot 3.x to Godot 4. This skill focuses on the major syntax changes in GDScript 2.0, the new Tween system, and export annotation updates.
When to Use This Skill
- Use when porting a Godot 3 project to Godot 4.
- Use when encountering syntax errors after upgrading.
- Use when replacing deprecated nodes (like
Tweennode vscreate_tween). - Use when updating
exportvariables to@exportannotations.
Key Changes
1. Annotations (@)
Godot 4 uses @ for keywords that modify behavior.
export var x->@export var x
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