RPG Maker plugin 1.20.25 landed as a small but meaningful update that smooths compatibility, tightens performance in edge cases, and fixes a few developer-facing bugs. Below I break down the notable changes, practical impact for creators, and quick migration tips so you can decide if — and how — to adopt it.
Cause: The 1.20.25 update uses requestAnimationFrame aggressively, which some older WebView containers block.
Solution: Open the index.html file in your deployed build. Add the following meta tag within the <head> tag:
<meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-eval';">
Date: January 20, 2025 Target Software: RPG Maker MZ Core Version: 1.8.0 rpg maker plugin 1.20.25
Installing plugins can be intimidating for beginners, but version 1.20.25 simplifies the process with a new auto-installer script included in the download ZIP.
Step 1: Download the Safe Source Only download from the official GitHub repository or the verified Steam Workshop collection. Avoid "free download" websites—1.20.21 was famous for a malware phish that injected ads into deployed games. Deep Dive: RPG Maker Plugin 1
Step 2: Locate your Project Folder
js/plugins/.Step 3: Deploy the Files
Extract the following files into your plugins folder: Right-click your game project -> Open folder location
RPG_Core_1.20.25.js (Main engine)RPG_BattleExtender_1.20.25.jsRPG_MapOptimizer_1.20.25.jsStep 4: Activate in the Editor
RPG_Core_1.20.25 at the very top of the list, above all other plugins.Step 5: Parameter Configuration Version 1.20.25 introduces new parameters:
Max Cache Size: Default is 100mb. Increase to 300mb if you have a high-res tileset.Touch UI Delay: Set to 0 for instant mobile response, or 10 for accidental touch prevention.