JavaScript Just Leveled Up: ES2025 – You'll Fall in Love With

Potentially never. Despite what the article says, pattern matching is not in ES2025 and is still at stage 1 of TC39 so it could be a couple years to never. The pipe operator is at stage 2 and not in the ES2025 spec.

That said, with transpilation/Babel/etc. you could in theory be using some of these features right now (e.g. `@babel/plugin-proposal-pipeline-operator`).

The original article here is terrible, clearly not written by anyone with a clue and potentially even by an LLM.