# Document history
<a name="doc-history"></a>

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 | [https://docs.amazonaws.cn/freertos/latest/portingguide/porting-guide.html](https://docs.amazonaws.cn/freertos/latest/portingguide/porting-guide.html)<br />[https://docs.amazonaws.cn/freertos/latest/qualificationguide/latest-changes.html](https://docs.amazonaws.cn/freertos/latest/qualificationguide/latest-changes.html) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [202012.04-LTS](https://github.com/FreeRTOS/FreeRTOS-LTS/releases/tag/202012.04-LTS)<br />[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)<br />[ 202107.00](https://github.com/aws/amazon-freertos/blob/202107.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 202012.00](https://github.com/aws/amazon-freertos/blob/202012.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 202011.00](https://github.com/aws/amazon-freertos/blob/202011.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 202007.00](https://github.com/aws/amazon-freertos/blob/202007.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 202002.00](https://github.com/aws/amazon-freertos/blob/202002.00/doc/freertos_port_qual/FreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 201912.00](https://github.com/aws/amazon-freertos/blob/201912.00/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 201910.00](https://github.com/aws/amazon-freertos/blob/201910.00/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 201908.00](https://github.com/aws/amazon-freertos/blob/201908.00/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[ 201906.00](https://github.com/aws/amazon-freertos/blob/201906.00_Major/doc/freertos_port_qual/aFreeRTOS_Qualification_Guide.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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)<br />[1.4.8](https://github.com/aws/amazon-freertos/blob/v1.4.8/tests/afreertos-qg.pdf) (Qualification Guide) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [1.4.5](https://github.com/aws/amazon-freertos/tree/v1.4.5)<br />[1.4.6](https://github.com/aws/amazon-freertos/tree/v1.4.6)<br />[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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [1.4.5](https://github.com/aws/amazon-freertos/tree/v1.4.5)<br />[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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [1.4.0](https://github.com/aws/amazon-freertos/tree/v1.4.0)<br />[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) |  [See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/freertos/latest/portingguide/doc-history.html)  | [1.3.1](https://github.com/aws/amazon-freertos/tree/v1.3.1)<br />[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) |