Related to #4643.

Changelog Entry

Added

• Resolved #4643. Decoupling botframework-directlinejs from business logic of Web Chat for better tree-shaking, by @compulim, in PR #4645 and PR #4648

Description

This is to test an imminent release that would target two areas:

• Customize aria-label for left/right flipper
• Avoided global pollution of core-js

Once this looks good, we will create another pull request to bump to production release.

Specific Changes

• Bump react-film to @3.1.1-main.df870ea
  • Added
    • Added leftFlipperAriaLabel and rightFlipperAriaLabel for customizing the aria-label attribute for flipper buttons, by @compulim, in PR #98
  • Changes
    • Avoided global pollution via @babel/runtime-corejs3, by @compulim, in PR #99
    • Bundle is now built using Webpack for compatibility with IE Mode, by @compulim, in PR #99
    • Bump dependencies, by @compulim, in PR #99

• I have added tests and executed them locally
• I have updated CHANGELOG.md
• I have updated documentation

Review Checklist

This section is for contributors to review your work.

• Accessibility reviewed (tab order, content readability, alt text, color contrast)
• ~Browser and platform compatibilities reviewed`
• CSS styles reviewed (minimal rules, no z-index)
• Documents reviewed (docs, samples, live demo)
• Internationalization reviewed (strings, unit formatting)
• package.json and package-lock.json reviewed
• Security reviewed (no data URIs, check for nonce leak)
• Tests reviewed (coverage, legitimacy)