Add breaking changes documentation for table nesting (#26057) (#30734)

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Luke Elmers 2019-02-12 13:27:20 -07:00 committed by GitHub
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@ -396,3 +396,14 @@ to accurately reflect their content, from `management/kibana/index` or
*Impact:* References to these URLs will need to be updated.
[float]
=== Removed support for deeply nested table splits in data table visualizations
*Details:* Previously a user was able to create multiple "split table" aggregations in one table on arbitrary levels.
The potential for deeply nested tables posed maintenance and accessibility challenges, and was inconsistent with other
visualizations that only allow one table split. This change does not limit the number of split rows a user can put into
a table; it only restricts the number of split tables to one.
*Impact:* To prevent breaking existing visualizations, saved objects containing nested table splits will be automatically
migrated to contain only one split table, converting any existing split tables beyond the first to split rows. No action
should be required as a result of this change, but be aware that users with saved data table visualizations that contain
multiple split tables will now see those tables rendered differently.