The issue with the maximum selectable date not working correctly on iOS for the OutSystems date picker might result from either buggy behavior in previous OutSystems UI versions or specific compatibility issues with the device or browser rendering the date picker.

Here are some steps you can take to troubleshoot and fix the problem:

1. OutSystems UI Version Compatibility: Ensure that you are using the latest version of the OutSystems UI framework. Some bugs related to the DatePicker functionality were solved in newer releasesDatePicker not working properly.

2. Proper Date Format and Initialization:

   • Verify that your "MaxDate" is correctly set and formatted. It should follow the supported date format that OutSystems expects, typically yyyy-MM-dd.
   • Based on the information in , your MaxDate was set using CurrDateTime(). Ensure this value does not exceed its expected range and is correctly functioning across iOS devices.

3. Device-Specific Display Issues: Some iOS browsers might handle HTML5 date inputs differently. Test the feature across multiple browsers (Safari, Chrome, Firefox) on the iOS device to see if the issue is browser-specific.

4. Adjust CSS or JavaScript Logic:

   • If using custom styles or scripts for the DatePicker, ensure they are compatible with mobile rendering.
   • Verify that no custom scripts alter the MaxDate or other configurations dynamically, leading to an incorrect behavior.

5. Time Zone and Data Type:

   • The issue could also arise due to date type mismatches. If the maximum date calculation involves time zones, ensure proper UTC or local time handling to prevent misinterpretationOutsystems Date Range picker showing one day prior to selected dates.

If none of the above steps solve the issue, consider sharing detailed steps to replicate the issue and testing the behavior on a traditional browser debugger or OutSystems service studio emulator to isolate specific client-side issues for iOS.