After a long while, I checked back on the arkenfox.js github page, and they no longer mention two extensions I still use: (1) CanvasBlocker (because if Resist Fingerprinting is enabled in about:config, the per page zoom levels get changed and that drives me crazy), and (2) Smart Referer (because, well, it was recommended). I...
TL;DR: OpenAI’s ChatGPT has added voice and image prompting for plus users, coming to everyone else “soon after”. You can now ask questions by speaking or uploading images. It uses advanced text-to-speech and image recognition technology, but with controlled limitations to prevent misuse.