I’m testing out Kotlin 2.1.20-Beta2. My JS bundle...

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[Carter]

I’m testing out Kotlin 2.1.20-Beta2. My JS bundle size increased ~7x (from 1.21mb with 2.1.10 to 8.5mb with 2.1.20-Beta2). Is this a bug? Or is there some build script configuration change I need to make?

[Ivan Kubyshkin]

Can you create an issue and attach a sample project, please?

[Carter]

It looks like this might be the same issue https://youtrack.jetbrains.com/issue/KT-74869/KJS-jsBrowserProductionWebpack-does-not-minify-output-with-2.1.20-Beta2

[altavir]

There is also something strange with CPU usage on production build. It skyrockets and completely blocks computer from functioning. I do not remember it bahaving like this before.

[Ivan Kubyshkin]

@altavir Does it happen with JS compilation? Can you create a separate issue?

[altavir]

Yes, the problem arises on production webpack. The development build is OK.

[Ivan Kubyshkin]

Thank you! Can you create a separate issue in YT?

[altavir]

I am not sure I will be able to compare build time and CPU load with the old version.

[Ivan Kubyshkin]

Can you just attach a reproducer and CPU snapshot?

[altavir]

I will try to do it tomorrow

[altavir]

I also found that Webpack is not produces additional chunks and I can't seem to disable it. Still no issue since I can't compare performance with old version.

[Ivan Kubyshkin]

cc @Artem Kobzar

[altavir]

The problem with additional chunks is solved. They are produced by importAsync.

[Artem Kobzar]

Hey @Carter.
We're investigating the problem right now, and I will back-port the fix into 2.1.20-RC as soon as we have one (the current estimation is one week)

[Carter]

Thank you! Glad we could identity this issue prior to the release of 2.1.20. I’ll look forward to trying the RC when it is available.

[Artem Kobzar]

I believe this is the main goal of such a release process cat salute
So, thank you a lot for sharing your issues with us 🙏🏻