Create Configurations New... does not show import from other projects in working V5.0.0 build cf V4.4.3

[Dowster64]

Describe your environment
Do you use the Sloeber product or plugin?
This occurs in build v5.00 ae0335c compared with the 4.4.3 product and the 4.4.3 plugin (Eclipse 2025-09). .
Sloeber version number: V5.0.0.
OS: windows 11 (with no other Java JDK installations)

The url of the json that you used to download the platform n/a
A image of the project properties arduino showing the board settings n/a

Describe the bug
Build Configurations ->Manage... (pop up) Manage Configurations 'Copy Settings from' only shows existing settings. It does not show import from other projects in working V5.0.0 build compared to V4.4.3
To Reproduce
Steps to reproduce the behavior:

1. Right Click on Project. Go to Build Configurations
2. Click on 'Manage...'
3. Click on New...'
4. See error

provide the name of the board and the platform version you are using. n/a
Provide the json url and a screenshot of project properties n/a

Expected behavior
A clear and concise description of what you expected to happen. Compare to V4.4.3 plugin:

and to product:

Data to back up your claim
See above screen shots

Additional context
Did notice that the V4.4.3 pop ups used the title 'Create New Configuration' and the V5.0.0 instance used 'Create Configuration'

[jantje]

I confirm the difference between the 2 versions.
I was not aware of this functionality so I do not know it works properly.