AI-assisted disclosure: Codex assisted with research, code and writing. Measurements, failure cases and limitations are retained from the original article.

Originally published by Alicia on 2026-10-21: Digital Garden by Alicia .

A garden exported from Viggle's free PINOC interface loaded as SPZ v4 in native Three.js 0.186.1 on WebGPU and its WebGL2 fallback, and in Spark 2.4.0 with classic WebGLRenderer. Spark did not initialize with WebGPURenderer in this test. The exported scene contains 1,048,576 Gaussian splats and occupies 17,575,822 bytes. These are measurements from one generated scene, not a claim about every JST-2 output.

Codex operated the browser and ran the local tests for Alicia on 21 October 2026. This is a research fixture beside the interactive garden , not a new feature in the production garden.…