Based on https://github.com/zendframework/zend-form/releases/tag/release-2.5.3 (commit 4bf8d75f2acfdcd15ce99043015e254f0e9e25ff in this repo)

Added
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- Nothing.

Deprecated
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- Nothing.

Removed
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- Nothing.

Fixed
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- [zendframework/zend-form#16](https://github.com/zendframework/zend-form/pull/16) updates the
  laminas-stdlib dependency to reference `>=2.5.0,<2.7.0` to ensure hydrators
  will work as expected following extraction of hydrators to the laminas-hydrator
  repository.