Stanley Hsu

**Description** **Related issue(s)** Fixes #2856

We need further discussion on this topic. (expect more to-do tasks to be added or breakdown) Migration strategies: - Investigate the increasing bundle size - Investigate the way how to...

**Description** Upgrade Luigi core from webpack v4 to v5 **Related issue(s)** Fixes #2266

Upgrade to Webpack V5 - Make Luigi Core support JS optional chaining syntax -

1

Luigi core doesn't support JS optional chaining syntax, but Luigi Client does already. https://babeljs.io/docs/en/babel-plugin-proposal-optional-chaining

Create a central file called `luigi_events.js` to manage all luigi events. Most of them are at `App.html`, `uxManager.js`, `lifecycleManager.js` e.g. `luigi.init`, `luigi.navigate.ok`, `luigi.get-context`, etc

### Describe the bug **Issue:** When resizing the browser window, all React elements passed through the actions prop are being re-rendered unexpectedly. This behavior is causing performance issues or unintended...