# Is there a porting guide from older version (202002 and 201906) to the last one 202012?

**URL:** <https://forums.freertos.org/t/is-there-a-porting-guide-from-older-version-202002-and-201906-to-the-last-one-202012/11383>\
**Category:** AWS\
**Created:** [December 18, 2020, 3:29pm UTC](https://forums.freertos.org/t/is-there-a-porting-guide-from-older-version-202002-and-201906-to-the-last-one-202012/11383 "2020-12-18T15:29:50Z")\
**Posts on this page:** 1\
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**Author:** ![EyalG](https://avatars.discourse-cdn.com/v4/letter/e/b782af/32.png) [@EyalG](https://forums.freertos.org/u/EyalG)\
**Post date:** [December 19, 2020, 9:28am UTC](https://forums.freertos.org/t/is-there-a-porting-guide-from-older-version-202002-and-201906-to-the-last-one-202012/11383/3 "2020-12-19T09:28:03Z")

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Thank you very much for this detailed answer.  
I’ll appreciate if you can elaborate on the connection sharing in respect the a previous question I asked (and did not get any response yet) - [Sharing MQTT connection between a shadow and OTA](https://forums.freertos.org/t/iotmqtt-connect-vs-mqtt-connect/11343/3)  
Thanks

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