# Document history
The following table describes the documentation history for the FreeRTOS Porting Guide and the FreeRTOS Qualification Guide.
| **Date** | **Documentation version** | **Change history** | **FreeRTOS version** |
| --- | --- | --- | --- |
| May, 2022 | [*FreeRTOS Porting Guide*](https://docs.aws.amazon.com/freertos/latest/portingguide/porting-guide.html)
[*FreeRTOS Qualification Guide*](https://docs.aws.amazon.com/freertos/latest/qualificationguide/latest-changes.html) | + Updated existing tests, added new tests, and removed redundant tests based on FreeRTOS Long Term Support (LTS) libraries. For more information, see FreeRTOS Libraries Integration Tests [202205.00](https://github.com/FreeRTOS/FreeRTOS-Libraries-Integration-Tests/releases/tag/202205.00) on GitHub.
+ Updated [FreeRTOS porting flowchart](porting-chart.md).
+ Added a new [Porting the Network Transport Interface](afr-porting-network-transport-interface.md).
+ [Porting the AWS IoT over-the-air (OTA) update library](afr-porting-ota.md) is now required for qualification.
+ Removed Wi-Fi, and TLS abstraction porting guide as it is not required any more.
+ See [Latest changes](https://docs.aws.amazon.com/freertos/latest/qualificationguide/latest-changes.html) for further updates on FreeRTOS qualification. | [202012.04-LTS](https://github.com/FreeRTOS/FreeRTOS-LTS/releases/tag/202012.04-LTS)
[202112.00](https://github.com/FreeRTOS/FreeRTOS/releases/tag/202112.00) |
| July, 2021 | [ 202107.00](https://github.com/aws/amazon-freertos/blob/202107.00/doc/freertos_port_qual/FreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 202107.00](https://github.com/aws/amazon-freertos/blob/202107.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 202107.00
+ Changed [Porting the AWS IoT over-the-air (OTA) update library](afr-porting-ota.md)
+ Added [Migrating from version 1 to version 3 for OTA applications](porting-migration-ota.md)
+ Added [Migrating from version 1 to version 3 for OTA PAL port](porting-migration-ota-pal.md) | [202107.00](https://github.com/aws/amazon-freertos/tree/202107.00) |
| December, 2020 | [ 202012.00](https://github.com/aws/amazon-freertos/blob/202012.00/doc/freertos_port_qual/FreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 202012.00](https://github.com/aws/amazon-freertos/blob/202012.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 202012.00
+ Added [Configuring the coreHTTP library](afr-porting-corehttp.md)
+ Added [Porting the Cellular Interface library](freertos-porting-cellular.md) | [202012.00](https://github.com/aws/amazon-freertos/tree/202012.00) |
| November, 2020 | [ 202011.00](https://github.com/aws/amazon-freertos/blob/202011.00/doc/freertos_port_qual/FreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 202011.00](https://github.com/aws/amazon-freertos/blob/202011.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 202011.00
+ Added [Configuring the coreMQTT library](afr-porting-mqtt.md) | [202011.00](https://github.com/aws/amazon-freertos/tree/202011.00) |
| July, 2020 | [ 202007.00](https://github.com/aws/amazon-freertos/blob/202007.00/doc/freertos_port_qual/FreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 202007.00](https://github.com/aws/amazon-freertos/blob/202007.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 202007.00 | [202007.00](https://github.com/aws/amazon-freertos/tree/202007.00) |
| February 18, 2020 | [ 202002.00](https://github.com/aws/amazon-freertos/blob/202002.00/doc/freertos_port_qual/FreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 202002.00](https://github.com/aws/amazon-freertos/blob/202002.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 202002.00
+ Amazon FreeRTOS is now FreeRTOS | [202002.00](https://github.com/aws/amazon-freertos/tree/202002.00) |
| December 17, 2019 | [ 201912.00](https://github.com/aws/amazon-freertos/blob/201912.00/doc/freertos_port_qual/aFreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 201912.00](https://github.com/aws/amazon-freertos/blob/201912.00/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 201912.00
+ Added Porting of the common I/O libraries. | [201912.00](https://github.com/aws/amazon-freertos/tree/201912.00) |
| October 29, 2019 | [ 201910.00](https://github.com/aws/amazon-freertos/blob/201910.00/doc/freertos_port_qual/aFreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 201910.00](https://github.com/aws/amazon-freertos/blob/201910.00/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 201910.00
+ Updated random number generator porting information. | [201910.00](https://github.com/aws/amazon-freertos/tree/201910.00) |
| August 26, 2019 | [ 201908.00](https://github.com/aws/amazon-freertos/blob/201908.00/doc/freertos_port_qual/aFreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 201908.00](https://github.com/aws/amazon-freertos/blob/201908.00/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 201908.00
+ Added *Configuring the HTTPS client library for testing*
Updated [Porting the corePKCS11 library](afr-porting-pkcs.md) | [201908.00](https://github.com/aws/amazon-freertos/tree/201908.00) |
| June 17, 2019 | [ 201906.00](https://github.com/aws/amazon-freertos/blob/201906.00_Major/doc/freertos_port_qual/aFreeRTOS_Porting_Guide.pdf) (Porting Guide)
[ 201906.00](https://github.com/aws/amazon-freertos/blob/201906.00_Major/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) | + Release 201906.00
+ Directory structured updated | [201906.00 Major](https://github.com/aws/amazon-freertos/tree/201906.00_Major) |
| May 21, 2019 | [1.4.8](https://github.com/aws/amazon-freertos/blob/v1.4.8/tests/afreertos-pg.pdf) (Porting Guide)
[1.4.8](https://github.com/aws/amazon-freertos/blob/v1.4.8/tests/afreertos-qg.pdf) (Qualification Guide) | + Porting documentation moved to the [FreeRTOS Porting Guide](https://docs.aws.amazon.com/freertos/latest/portingguide/)
+ Qualification documentation moved to the [FreeRTOS Qualification Guide](https://docs.aws.amazon.com/freertos/latest/qualificationguide/) | [1.4.8](https://github.com/aws/amazon-freertos/tree/v1.4.8) |
| February 25, 2019 | [1.1.6](https://github.com/aws/amazon-freertos/blob/v1.4.7/tests/Amazon%20FreeRTOS%20Qualification%20Developer%20Guide.pdf) | + Removed download and configuration instructions from Getting Started Guide Template Appendix (page 84) | [1.4.5](https://github.com/aws/amazon-freertos/tree/v1.4.5)
[1.4.6](https://github.com/aws/amazon-freertos/tree/v1.4.6)
[1.4.7](https://github.com/aws/amazon-freertos/tree/v1.4.7) |
| December 27, 2018 | [1.1.5](https://github.com/aws/amazon-freertos/blob/v1.4.6/tests/Amazon%20FreeRTOS%20Qualification%20Developer%20Guide.pdf) | + Updated Checklist for Qualification appendix with CMake requirement (page 70) | [1.4.5](https://github.com/aws/amazon-freertos/tree/v1.4.5)
[1.4.6](https://github.com/aws/amazon-freertos/tree/v1.4.6) |
| December 12, 2018 | [1.1.4](https://github.com/aws/amazon-freertos/blob/v1.4.5/tests/Amazon%20FreeRTOS%20Qualification%20Developer%20Guide.pdf) | + Added lwIP porting instructions to TCP/IP porting appendix (page 31) | [1.4.5](https://github.com/aws/amazon-freertos/tree/v1.4.5) |
| November 26, 2018 | [1.1.3](https://github.com/aws/amazon-freertos/blob/v1.4.4/tests/Amazon%20FreeRTOS%20Qualification%20Developer%20Guide.pdf) | + Added Bluetooth Low Energy porting appendix (page 52)
+ Added AWS IoT Device Tester for FreeRTOS testing information throughout document
+ Added CMake link to Information for listing on the FreeRTOS Console appendix (page 85) | [1.4.4](https://github.com/aws/amazon-freertos/tree/v1.4.4) |
| November 7, 2018 | [1.1.2](https://github.com/aws/amazon-freertos/blob/v1.4.3/tests/Amazon%20FreeRTOS%20Qualification%20Program%20Developer%20Guide.pdf) | + Updated PKCS \#11 PAL interface porting instructions in PKCS \#11 porting appendix (page 38)
+ Updated path to `CertificateConfigurator.html` (page 76)
+ Updated Getting Started Guide Template appendix (page 80) | [1.4.3](https://github.com/aws/amazon-freertos/tree/v1.4.3) |
| October 8, 2018 | [1.1.1](https://github.com/aws/amazon-freertos/blob/v1.4.2/tests/Amazon%20FreeRTOS%20Qualification%20Program%20Developer%20Guide.pdf) | + Added new "Required for AFQP" column to `aws_test_runner_config.h` test configuration table (page 16)
+ Updated Unity module directory path in Create the Test Project section (page 14)
+ Updated "Recommended Porting Order" chart (page 22)
+ Updated client certificate and key variable names in TLS appendix, Test Setup (page 40)
+ File paths changed in Secure Sockets porting appendix, Test Setup (page 34); TLS porting appendix, Test Setup (page 40); and TLS Server Setup appendix (page 57) | [1.4.2](https://github.com/aws/amazon-freertos/tree/v1.4.2) |
| August 27, 2018 | [1.1.0](https://github.com/aws/amazon-freertos/blob/v1.4.0/tests/Amazon%20FreeRTOS%20Qualification%20Program%20Developer%20Guide.pdf) | + Added OTA Updates porting appendix (page 47)
+ Added Bootloader porting appendix (page 51) | [1.4.0](https://github.com/aws/amazon-freertos/tree/v1.4.0)
[1.4.1](https://github.com/aws/amazon-freertos/tree/v1.4.1) |
| August 9, 2018 | [1.0.1](https://github.com/aws/amazon-freertos/blob/v1.3.2/tests/Amazon%20FreeRTOS%20Qualification%20Program%20Developer%20Guide.pdf) | + Updated "Recommended Porting Order" chart (page 22)
+ Updated PKCS \#11 porting appendix (page 36)
+ File paths changed in TLS porting appendix, Test Setup (page 40), and TLS Server Setup appendix, step 9 (page 51)
+ Fixed hyperlinks in MQTT porting appendix, Prerequisites (page 45)
+ Added AWS CLI config instructions to examples in Instructions to Create a BYOC appendix (page 57) | [1.3.1](https://github.com/aws/amazon-freertos/tree/v1.3.1)
[1.3.2](https://github.com/aws/amazon-freertos/tree/v1.3.2) |
| July 31, 2018 | [1.0.0](https://github.com/aws/amazon-freertos/blob/v1.3.0/tests/Amazon%20FreeRTOS%20Qualification%20Program%20Developer%20Guide-V1.0.0.pdf) | Initial version of the FreeRTOS Qualification Program Guide | [1.3.0](https://github.com/aws/amazon-freertos/tree/v1.3.0) |