What’s New in TypeScript 4.5 and Is Google’s Fuchsia the End of Android 12?
The article outlines Microsoft’s TypeScript 4.5 release with its new type‑system features and performance fixes, then shifts to Google’s unveiling of the Fuchsia OS, its microkernel architecture, and growing speculation that Android 12 could be the final Android update.
Microsoft announced the official release of TypeScript 4.5 on November 17.
TypeScript is a superset of JavaScript that adds static type checking. Version 4.5 brings several highlights, including improvements to type and promise inference, template literal types as discriminants, private field existence checks, and new snippet completions.
The release followed a three‑week candidate period; support for Node.js ECMAScript modules is deferred to a future version, with the current release marked as experimental.
Performance regressions in –build mode caused by excessive real‑path calls to package.json have been fixed in 4.5 and back‑ported to 4.4.4.
Google recently said it is time to bring its mysterious Fuchsia system to more smart devices. Fuchsia, first used in the Nest Hub, runs on the Zircon microkernel instead of the Linux kernel used by Android and Chrome OS.
Media speculation suggests Android 12 may be the last major Android update, as Google’s product pages for the Pixel 6 series omit any mention of Android, referring only to a “new experience.”
Google appears to have a dedicated “Fuchsia Devices” team responsible for ensuring the platform’s impact on real‑world products.
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