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- there's a straightforward workaround that doesn't require Internet Explorer at all. Here's how you can handle this upgrade:

Solution for Invisible Source Dynamic Select Controls

1. Create a Data Page with the same source as the original Dynamic Select control:
   • Create a new data page (D_YourDataPageName) with structure set to "List"
   • Set the data source to the same activity that was previously used by the Dynamic Select
   • Any parameters used by the original activity should be carried over to the data page parameters
2. Replace the Dynamic Select with a Dropdown control:
   • In your form or section, replace the Dynamic Select with a pxDropdown control
   • Configure the new Dropdown to use the data page you created as its source
   • Under the General tab, in the List source section, set the source to your new data page
3. Configure the Dropdown properties:
   • Set the display key and value key to match what you were using in the Dynamic Select
   • If needed, configure any parameters that should be passed to the data page

Alternative Approach (If source was a database table)

If your Dynamic Select was simply fetching data from a database table:

• Create a report definition that queries the same table with any necessary filters
• Configure your new Dropdown control to use this report definition as its source

This approach completely bypasses the need for Internet Explorer and aligns with best practices in newer Pega versions, which have enhanced capabilities for handling dropdowns through data pages.

References:

• Converting Dynamic Select into Dropdown control
• Dynamic selection using dropdown control