UUM-90065
Known issue in 2021.3.58f1Mentioned in 9 Unity 2021 LTS release notes.
Listed as a known issue in 2021.3.58f1 (Oct 22, 2025); no fix in indexed releases yet.
| Version | Section | Risk | Impact | Note |
|---|---|---|---|---|
| 2021.3.58f1 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.57f2 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.56f1 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.55f1 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.54f1 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.53f1 | Known Issues | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.52f1 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.51f1 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |
| 2021.3.50f1 | Known Issues DirectX12 | Caution | Known issue | Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected |