---
title: "Performance and Vapor Mode · vuejs.school"
description: "Measure an update with performance.now() and nextTick(), keep row props stable so one click re-renders two rows instead of 2,000, skip work with v-memo, and see what Vapor Mode in Vue 3.6 (a release candidate) changes and what it leaves out."
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> Index of every page on this site: [llms.txt](https://vuejs.school/llms.txt)

# **Performance and Vapor Mode**

Measure an update with performance.now() and nextTick(), keep row props stable so one click re-renders two rows instead of 2,000, skip work with v-memo, and see what Vapor Mode in Vue 3.6 (a release candidate) changes and what it leaves out.

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