Unity 6000.2 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.
How to reproduce:
1. Create a new project
2. Open the Package Manager (Window → Package Management → Package Manager)
3. Enter anything into the search field
4. Click the “x” button that appears on the right side of the search field
5. Without clicking anywhere else, immediately try entering text into the search field again
Expected result: The text appears in the search field
Actual result: The text does not appear in the search field