Hello Soy Portlet uncaught type errors

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.X, Master
• Fix Version/s: 7.2.10 DXP FP8, 7.2.10.3 DXP SP3, 7.2.X, 7.3.4 CE GA5, 7.3.5 CE GA6, 7.3.10 DXP GA1, 7.3.X, Master
• Component/s: Soy Portlet Bridge
• Labels:
  • 7.2.x-only
  • ee-ts
  • liferay-dxp-72-sp3
  • liferay-fixpack-dxp-8-7210
• Branch Version/s:
  7.3.x, 7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay-frontend/liferay-portal/pull/221

Steps to reproduce
 1. Start 7.2.x
 2. Deploy Hello Soy Portlet and check the console

Uncaught TypeError: uri.searchParams.add is not a function

 3. Use -> "Click here to navigate to another view"
 4. Type into the field and hit submit
 5. check console

Uncaught TypeError: Cannot read property 'implementation' of undefined

Expected behavior
No error in browser console

Actual behavior
You can see above error in browser console when deploying and using Hello Soy Portlet.

More information
You can see the solution for the first error and initial part of the analysis for the second error here.