# New features **Qualcomm Linux 1.9** **QCS6490/QCS5430:** - No new features. **IQ8**: - Added support for RTSS Sleep and Power Controller to enable optimized power management and low-power state. - Added RTSS ADB-based flashing, reset, and recovery support to simplify device provisioning - RTSS OTA update support to enable seamless software upgrades and maintenance. - Added RTSS watchdog support to enhance system reliability through automated health monitoring and recovery. - Added Mailbox and CAN support to enable reliable inter-processor communication and Controller Area Network (CAN) connectivity - Added RTSS Ethernet support to enable high-speed network communication. **IQ9**: - Added support for RTSS Sleep and Power Controller to enable optimized power management and low-power state. - Added RTSS ADB-based flashing, reset, and recovery support to simplify device provisioning - RTSS OTA update support to enable seamless software upgrades and maintenance. - Added RTSS watchdog support to enhance system reliability through automated health monitoring and recovery. - Added Mailbox and CAN support to enable reliable inter-processor communication and Controller Area Network (CAN) connectivity - Added RTSS Ethernet support to enable high-speed network communication. **For more information, see the following:** - Qualcomm Intelligent Multimedia Software Development Kit (QIM SDK): [Qualcomm Intelligent Multimedia Software Development Kit (QIM SDK) New Features](https://docs.qualcomm.com/bundle/publicresource/topics/80-70029-52/qim-sdk-release-1-8.html#new-features) - Qualcomm Linux Intelligent Robotics Software Development Kit (QIR SDK): [Qualcomm Linux Intelligent Robotics SDK (QIR SDK) New Features](https://docs.qualcomm.com/bundle/publicresource/topics/80-70029-260/robotics-sdk-mar-2026.html#new-features) Last Published: Jul 20, 2026 [Previous Topic Introduction](https://docs.qualcomm.com/bundle/publicresource/80-70030-300/topics/introduction.md) [Next Topic Reference design kits](https://docs.qualcomm.com/bundle/publicresource/80-70030-300/topics/reference_design_kits.md)