# Breaking Changes in Engine 4.7.8.

**URL:** <https://community.wowza.com/t/breaking-changes-in-engine-4-7-8/54242>\
**Category:** Wowza Streaming Engine\
**Created:** [November 26, 2019, 6:49pm UTC](https://community.wowza.com/t/breaking-changes-in-engine-4-7-8/54242 "2019-11-26T18:49:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [November 26, 2019, 6:49pm UTC](https://community.wowza.com/t/breaking-changes-in-engine-4-7-8/54242/1 "2019-11-26T18:49:54Z")

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If you’re updating from an early version of Wowza Streaming Engine to the most recent version- 4.7.8, there are updates/changes that will break functionality if you don’t take steps to address them.

Please carefully review the following article to properly upgrade without issue:

[https://www.wowza.com/docs/wowza-streaming-engine-4-7-8-release-notes#breaking478](https://www.wowza.com/docs/wowza-streaming-engine-4-7-8-release-notes#breaking478)