• Added AbortSignal.abort(). (ninevra)
• Added dummy x and y properties to the return value of getBoundingClientRect(). (eiko)
• Implemented wrapping for textareaEl.value if the wrap="" attribute is specified. (ninevra)
• Changed newline normalization in <textarea>s according to recent HTML Standard updates. (ninevra)
• Fixed some bad cascade computation in getComputedStyle(). (romain-trotard)