Garbled UTF-8 characters in debug tab #5415
Description
Current Behavior
The debug tab decodes buffer data into the string text. This feature works with alphanumeric characters, but it cannot handle UTF-8 characters.
Expected Behavior
The debug tab decodes byte data into the UTF-8 string text correctly.
Steps To Reproduce
Import the following example flow
Example flow
[{"id":"b9b6ad4d68fee676","type":"inject","z":"46522061720ca2a7","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":120,"y":40,"wires":[["c394927215bb7d85"]]},{"id":"c394927215bb7d85","type":"function","z":"46522061720ca2a7","name":"function 1","func":"msg.payload = Buffer.from(\"Ｎｏｄｅ－ＲＥＤ\");\nreturn msg;","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[],"x":160,"y":120,"wires":[["04d9e63ed23603e5"]]},{"id":"04d9e63ed23603e5","type":"debug","z":"46522061720ca2a7","name":"debug 1","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":200,"y":200,"wires":[]}]
Environment
- Node-RED version: v4.1.2
- Node.js version: v25.2.1
- npm version: v11.6.2
- Platform/OS: macOS 26.0.1 (25A362) on Apple M1 Macbook Air
- Browser: Google Chrome Version 143.0.7499.170 (Official Build) (arm64)