Upgrading Bootstrap from version 3.4 to 5.3 in a .NET project

I have a website project created using .Net Framework 4.7.2. Currently, I am utilizing Bootstrap version 3.4.1 from here.

Since Bootstrap 3.4 is now in an end-of-life phase, I need to upgrade to the latest version, 5.3.

Upon replacing the old version files with Bootstrap 5.3 in my project, I encountered various errors in the console. One of them being: Index:1 Refused to execute script from 'https://localhost:xx/bootstrap.bundle.min.js' because its MIME type ('') is not executable, and strict MIME type checking is enabled

My question is, what specific steps or commands should be followed when updating Bootstrap in applications?

Answer №1

In my opinion, resolving this issue may take quite a while since it seems there is no quick fix available. The recommended approach would be to upload your project to Github and create a backup, uninstall Bootstrap, then reinstall the latest version. After that, you will need to meticulously address each error based on the updated Bootstrap library.

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