Rspack 1.5 Release Plan

[stormslowly]

Rspack 1.5 is estimated to be released in Augest.

Features

Performance

Chore

Drop Node 16 Support

Due to Node 16 is end of life since Aug 08, 2023, So Rspack will end of supporting Node 16 in 1.5.
And the CI testing node matrix will update as below. It will be taken effecitve in the end of July of 2025.

• Linux : 18,20,22
• MacOs: 22
• Windows: 22

[watsonhaw5566]

Hello , I want to ask why MacOS and Windows unsupport node18 ?

[hardfist]

It's supported, we just don't run it for every PR(but will run before release) due to limited CI resource

[lzxb]

Can we improve the support for ESM in this version?
#7429
#10810
#8557

[hardfist]

we will be working on theses features this quarter but not promise released in 1.5

[chenjiahan]

Rsbuild 1.5

Planned changes:

• Enable lazy compilation for dynamic imports by default.
• Remove support for Node 16.
• Upgrade http-proxy-middleware to v3.

[SyMind]

Next.js

Using Rspack persistent cache by default

Relate vercel/next.js#81399