Add attribute_previously_was helpers

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    • Type: Improvement
    • Resolution: Fixed
    • Priority: Unknown
    • 8.0.1
    • Affects Version/s: None
    • Component/s: None
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      MONGOID-5104 added *_previously_changed and *_previously_changed? helpers.

      Rails also supports a *_previously_was helper: https://www.bigbinary.com/blog/rails-6-1-adds-_previously_was-attribute-methods

      Please add this to Mongoid; I can't upgrade my app without it.

      —

      On a side note, MONGOID-5104 is a big and dangerous change in my app. While I agree with the change, it would have been nice to have a global config toggle ("Use previously was") or even a model-level toggle that would facilitate upgrading.

              Assignee:
              Dmitry Rybakov
              Reporter:
              Johnny Shields
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                Created:
                Updated:
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