Reproduction steps:
1. Open the attached “IN-119060.zip” project
2. Navigate to Project Settings > Editor > Enter Play Mode Settings
3. Make sure “When entering Play Mode” is set to “Do not reload Domain or Scene” or “Reload Scene only”
4. Open the “SampleScene”
5. Enter Play mode
6. Open the Input Debugger Window (Window > Analysis > Input Debugger)
7. Observe the dropdown list under “Actions”

Expected result: “Player” and “UI” actions are visible
Actual result: Only “Debug Menu” actions are visible

Reproducible with: 1.14.1, 1.15.0 (6000.0.60f1, 6000.2.8f1, 6000.3.0b6, 6000.4.0a2)
Not reproducible with: 1.14.0 (6000.0.60f1, 6000.2.8f1, 6000.3.0b6, 6000.4.0a2)

Reproducible on: Windows 10 (user reported), Windows 11
Not reproducible on: no other environments tested

Notes:
- Does not reproduce if the “When entering Play mode” property in ‘Project Settings > Editor > Enter Play' Mode Settings is set to “Reload Domain and Scene” or “Reload Domain only”
- Actions in the Player and UI maps also do not work unless the map is explicitly enabled via script