August 25, 2026•1 min read•from InfoQ

Nuxt 4.5: Experimental SSR Streaming, Vite 8 and an Rsbuild-Powered Rspack Builder

Nuxt has released version 4.5, featuring updates such as a switch to Vite 8, a new Rspack 2 builder, and experimental SSR streaming. This streaming enhances Time to First Byte by flushing the HTML shell instantly. The release also includes a stable error code system and new composables, alongside important upgrade instructions for developers moving from earlier versions.

By Daniel Curtis

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Tagged with

#Nuxt

#Nuxt 4.5

#SSR Streaming

#Vite 8

#Rspack

#Rspack 2

#Time to First Byte (TTFB)

#HTML Shell

#Composable

#Error Code

#Upgrade Instructions

#JavaScript

#Frontend Development

#Web Development

#Server-Side Rendering (SSR)

#Build Tools

#Performance Optimization

#Daniel Curtis

#Experimental

#Version 4.5