# Revision History
| Revision | Date | Description |
| --- | --- | --- |
| BH | Apr 2026 | Updated documentation for SDK release V1.76.2 changes |
| BG | Jul 2025 | Updated documentation for SDK release V1.76.0 changes |
| BF | Jun 2025 | Updated documentation for SDK release V1.75.0 changes |
| BE | Apr 2025 | Updated documentation for SDK release V1.74.0 changes |
| BD | Feb 2025 | Updated documentation for SDK release V1.73.0 changes |
| BC | Jan 2025 | Updated documentation for SDK release V1.72.0 changes |
| BB | Oct 2024 | Updated documentation for SDK release V1.71.0 changes |
| BA | Sep 2024 | Updated documentation for SDK release V1.70.0 changes |
| AY | Jul 2024 | Updated documentation for SDK release V1.69.0 changes |
| AW | Jun 2024 | Updated documentation for SDK release V1.68.0 changes |
| AU/AV | Apr 2024 | Updated documentation for SDK release V1.67.0 changes |
| AT | Feb 2024 | Updated documentation for SDK release V1.66.0 changes |
| AS | Jan 2024 | Updated documentation for SDK release V1.65.0 changes |
| AR | Dec 2023 | Updated documentation for SDK release V1.64.0 changes |
| AP | Oct 2023 | Updated documentation for SDK release V1.63.0 changes |
| AN | Sep 2023 | Updated documentation for SDK release V1.62.0 changes |
| AM | Aug 2023 | Updated documentation for SDK release V1.61.0 changes |
| AL | Jul 2023 | Updated documentation for SDK release V1.60.0 changes |
| AK | Jun 2023 | Updated documentation for SDK release V1.59.0 changes |
| AJ | May 2023 | Updated documentation for SDK release V1.58.0 changes |
| AH | Apr 2023 | Updated documentation for SDK release V1.57.0 changes |
| AG | Mar 2023 | Added documentation for thermal notifications |
| AF | Dec 2022 |
Added documentation for crypto accelerator
Added support for Third Party Service (TPS) eCall over IMS
|
| AE | Nov 2022 | Updated documentation for SDK release V1.54.0 changes |
| AD | Sep 2022 | Updated documentation for SDK release V1.53.0 changes |
| AC | Jul 2022 | Updated documentation |
| AB | Apr 2022 | Added documentation for API access control |
| AA | Mar 2022 |
Added documentation for control filesystem for ECALL operation
Added crypto APIs call flows
|
| | Jan 2022 | Updated C-V2X radio call flows |
| | Dec 2021 | Addition of documentation for sensor self test APIs |
| | Dec 2021 | Addition of documentation for ECALL and OTA operation APIs |
| | Nov 2021 | Support for Xtra feature in location |
| | Sep 2021 | Addition of new sub system Readiness APIs for Modem Config |
| | Aug 2021 | Addition of Subsystem Restart handling in Telsdk |
| | Aug 2021 | Added further EFS API related information for platform sub-system |
| | Jul 2021 | Updated thermal subsystem readiness flow for new methodology |
| | Jun 2021 | Addition of Remote SIM provisioning APIs and related call flows |
| | Jun 2021 | Addition of documentation for platform subsystem |
| | Apr 2021 | Addition of documentation for sensor subsystem |
| | Apr 2021 | Addition of Serving System Manager APIs for data |
| | Mar 2021 | Addition of calibration init status API for audio |
| | Feb 2021 | Addition of new sub system Readiness APIs for Audio |
| | Jan 2021 | Updated Data Subsystem Readiness flow for new methodology |
| | Feb 2021 | Addition of configure NMEA types in location SDK |
| | Jan 2021 | Addition of Audio Subsystem Restart Support |
| | Jan 2021 | Addition of terrestrial positioning APIs and callflows in location SDK |
| | Nov 2020 | Addition of Year of hardware and configure engine state APIs in location and callflows |
| | Nov 2020 | Addition of cv2x SE-linux interface documentation |
| | Aug 2020 | Addition of Location Manager APIs, Location Configurator APIs and callflows |
| | May 2020 | Addition of Public Logging API |
| | May 2020 | Addition of L2TP to Data Networking APIs and call flows |
| | Apr 2020 | Addition of Security section with SE-linux interface documentation |
| | Mar 2020 | Addition of Robust Location API in Location Configurator and call flows |
| | Feb 2020 | Addition of Location Configurator APIs and call flows |
| | Jan 2020 | Addition of Socks Proxy to Data Networking APIs and call flows |
| | Jan 2020 | Addition of Data software bridge management APIs and call flows |
| | Nov 2019 | Addition of Compressed audio format playback on voice paths APIs and call flows |
| | Nov 2019 | Addition of Data Networking APIs and call flows |
| | Nov 2019 | Addition of Audio Format Transcoding APIs and call flows |
| | Oct 2019 | Addition of Location constraint time uncertainty APIs and call flows |
| | Oct 2019 | Addition of Location concurrent report APIs and call flows |
| | Oct 2019 | Addition of Data Filter APIs and call flows |
| | Sep 2019 | Addition of modem config APIs and related call flows |
| | Sep 2019 | Addition of Audio APIs for compressed audio format playback and related call flows |
| | Sep 2019 | Addition of Audio APIs for Loopback, Tone Generator and related call flows |
| | Sep 2019 | Addition of Remote SIM APIs and call flows |
| | Jul 2019 | Addition of Thermal shutdown manager APIs and call flows |
| | Jul 2019 | Updated the Location APIs and call flows |
| | Jun 2019 | Addition of Audio APIs for play, capture, DTMF and related call flows |
| | May 2019 | Addition of TCU Activity Management APIs and call flows |
| | Mar 2019 | Addition of Thermal manager APIs and call flows |
| | Jan 2019 | Addition of Audio APIs and call flows |
| | Nov 2018 | Addition of C-V2X APIs |
| | Oct 2018 | Addition of Network Selection and Serving System Management APIs and call flows |
| | Jun 2018 | Added Cellular Connection Management APIs |
| | Dec 2017 | Added subscription APIs and section on Versioning and API Status |
| | Sep 2017 | Initial release |
Last Published: Apr 14, 2026
[Previous Topic
Typedef v2x\_vehicle\_handle\_t](https://docs.qualcomm.com/bundle/publicresource/80-PF458-2/topics/typedef_a00021_1gaaa4993e43347a0b0c48bf356e6262c24.md)