Sending number arrays as shader uniform doesn't behave properly

[somecho]

Most appropriate sub-area of p5.js?

• Accessibility (Web Accessibility)
• Build tools and processes
• Color
• Core/Environment/Rendering
• Data
• DOM
• Events
• Friendly error system
• Image
• IO (Input/Output)
• Localization
• Math
• Unit Testing
• Typography
• Utilities
• WebGL
• Other (specify if possible)

Details about the bug:

• p5.js version: 1.4.0
• Web browser and version: firefox 94.0.2
• Operating System: Windows
• Steps to reproduce this:
  I've prepared a tiny example: https://editor.p5js.org/sam___tsao/sketches/lXAuPr9Nr

Description:

• Sending an array of numbers as a uniform to shader works but updating the array later in p5, the data doesn't seem to be sent to the shader.

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