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Can I use
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Engine support is still catching up as of mid-2026 check caniuse.com or node.green before shipping any of this to production without a fallback. Temporal in particular is brand new to the spec after years in Stage 3, so browser support (Safari especially) is the long pole. But for Node.js backends and evergreen-browser frontends, most of this list is either already usable or one polyfill away. - Source: dev.to / about 1 month ago
I usually go by CanIUse's global percentage when deciding if I can utilize a new browser feature, and right now it's 90.81% (https://caniuse.com/css-nesting) That's a bit lower than I would be comfortable with, however not that bad, we have been even considering switching all our images to AVIF:. - Source: Hacker News / about 1 month ago
> This is because NewV7 assumes that the wallclock timer always has microsecond or nanosecond precision, though a browser's wallclock (new Date.getTime()) is millisecond precision. That's true of Date, but not Temporal, which supported in most cases. [1] There needs to be a fallback, but `Temporal.Now.instant()` is nanosecond-precise. [1] https://caniuse.com/?search=temporal. - Source: Hacker News / about 2 months ago
Off-topic, but, Safari seems to be the only browser that doesn't support Temporal yet. It looks like the only blocker for adopting it on web. https://caniuse.com/?search=Temporal. - Source: Hacker News / 3 months ago
Browser support varies. Use caniuse.com before committing. For features you must have everywhere, polyfills exist. For features that gracefully degrade, feature detect with if ("foo" in window) and ship the better experience to capable browsers. - Source: dev.to / 3 months ago
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