Release v1.0.2

• Change 'aria controls' for 'aria_controls' by @peteryates in #3

Version 1.0.1

• Add data-aria-controls as a mergeable attribute; it's used by govuk-frontend as a temporary holding attribute for aria-controls so if no JavaScript is available the attribute isn't incorrectly present. Thanks @sobakasu for raising this in x-govuk/govuk-form-builder/pull/440 #2

v1.0.0

• add rel to the list of mergeable attributes

Version 0.9.2

• fix a edge case bug when merging deeply-nested hashes with some mergeable and some non-mergeable keys dc23903
• move the list of mergeable HTML attributes from a private method to a constant 2653cd3
• reduce the number of calls to deep_symbolize_keys d560d94