✌️ Vue.js 3.4 Released: 20% Faster Parsing, Two Way Binding And More

Tom Smykowski
4 min readDec 30, 2023
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Vue.js 3.4 surprises with performance improvements and really tasty two-way binding tied with reactivity.

The 2024 year is just around the corner, and Vue team through the voice of the legendary Evan You announced the release of Vue.js 3.4.

Interestingly enought it’s not only a bugfixing release. It actually delivers several extremely useful improvements. Let’s go through them:

20% Faster Parser

Faster parsing means the 44% SFC parsing when building source map from template and script. Overall, it shouldn’t have a big impact on total times.

Here 2%, there 2% and you have 4% ☺️

Clap!

Less Overheat From Computed Values

Currently, when a computed value doesn’t change, reactive code is fired anyways. Now it won’t meaning less calculations, and better responsiveness.

If it didn’t change, it didn’t change. No need to dig into 😊

Two Way Binding Is Now Operational

Tge defineModel was introduced experimentally in the previous relese and now it’s live meaning…

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Tom Smykowski
Tom Smykowski

Written by Tom Smykowski

Software Engineer & Tech Editor. Top 2% on StackOverflow, 3mil views on Quora. Won Shattered Pixel Dungeon.

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