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https://issues.apache.org/jira/browse/AIRFLOW-3887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Felix Uellendall updated AIRFLOW-3887:
--------------------------------------
    Description: 
The latest version of Dagre D3 that we already use (0.6.3) contains a bug that 
causes the Graph View to stop working for D3 Version 3 that we are using.

{noformat}
TypeError: previousPaths.merge is not a function
{noformat}

 !Screen Shot 2019-02-06 at 16.13.05.png! 

To temporary fix this you can pin your Dagre D3 version to 0.4.18

The actual fix should be to set Dagre D3 to the next release that contains this 
bugfix. 
See: https://github.com/dagrejs/dagre-d3/pull/350

  was:
The latest version of Dagre D3 that we already use (0.6.3) contains a bug that 
causes the Graph View to stop working for D3 Version 3 that we are using.

{noformat}
TypeError: previousPaths.merge is not a function
{noformat}

To temporary fix this you can pin your Dagre D3 version to 0.4.18

The actual fix should be to set Dagre D3 to the next release that contains this 
bugfix. 
See: https://github.com/dagrejs/dagre-d3/pull/350


> Dagre D3 Version 0.6.3 raises merge is not a function error
> -----------------------------------------------------------
>
>                 Key: AIRFLOW-3887
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3887
>             Project: Apache Airflow
>          Issue Type: Bug
>    Affects Versions: 1.10.2
>            Reporter: Felix Uellendall
>            Priority: Major
>         Attachments: Screen Shot 2019-02-06 at 16.13.05.png
>
>
> The latest version of Dagre D3 that we already use (0.6.3) contains a bug 
> that causes the Graph View to stop working for D3 Version 3 that we are using.
> {noformat}
> TypeError: previousPaths.merge is not a function
> {noformat}
>  !Screen Shot 2019-02-06 at 16.13.05.png! 
> To temporary fix this you can pin your Dagre D3 version to 0.4.18
> The actual fix should be to set Dagre D3 to the next release that contains 
> this bugfix. 
> See: https://github.com/dagrejs/dagre-d3/pull/350



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