# Regression in Chef Client 13.7.16

**URL:** <https://discourse.chef.io/t/regression-in-chef-client-13-7-16/12518>\
**Category:** Chef Infra (archive)\
**Created:** [February 1, 2018, 5:42pm UTC](https://discourse.chef.io/t/regression-in-chef-client-13-7-16/12518 "2018-02-01T17:42:22Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![thommay](https://avatars.discourse-cdn.com/v4/letter/t/f08c70/32.png) [@thommay](https://discourse.chef.io/u/thommay)\
**Post date:** [February 1, 2018, 5:42pm UTC](https://discourse.chef.io/t/regression-in-chef-client-13-7-16/12518/1 "2018-02-01T17:42:22Z")

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Hi,  
we’re tracking a reasonably severe bug in 13.7 that will manifest itself if your cookbooks rely on manipulating hashes or arrays of attributes. [https://github.com/chef/chef/issues/6792](https://github.com/chef/chef/issues/6792) is the tracking issue. Once we’ve got a solution we’ll be making a point release of 13.7 to fix this.  
We apologise for the inconvenience, and will be holding a public post-mortem once the issue is resolved.  
-Thom

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