I was reviewing breaking changes on doc for my upgrade but realized all the changes are same from 7.13 to 7.15 .
Should I interpret as "these changes should be aware between ANY version" or something else ?
That breaking changes document covers migration from 6.x to 7.x, so yes, it is the same for almost every 7.x version, since breaking changes are not often introduced without changing the major version number.
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