Cherry-pick placeholder versions into 13.1.x

[kormide]

@dgp1130

Cherry-picking these commits into 13.1.x since you mentioned there was a conflict. The conflict was just some package.json versions being changed next to my 0.0.0-PLACEHOLDER changes.

[dgp1130]

Thanks! I already started the release today, but I should be able to merge it in tomorrow morning.

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