# Release Notes
Version history for the Whatsminer API documentation.
## Versions
### 3.0.3 (2025-11-19)
- Added power and heat-mode fields to get.miner.setting response
### 3.0.2 (2025-08-22)
- Added support for set.miner.fast_hash
### 3.0.1 (2025-03-18)
- Added set.device.custom_data and get.device.custom_data
- Added error-code filtering and reason retrieval
### 3.0.0 (2024-07-27)
- Imported 3.0.0 documentation
- Firmware supported from **May 2024 onward**