<calendar/>

1. change to the previous or next year with a keyboard

Current result

no keyboard to change the currently-displayed year
end-users need to click the "year" text on the title with a mouse

Expected result

for example, press shift + Page Down to the next year, shift + Page Up to the previous year

Detail

• ARIA Authoring Practices Guide (APG) > DatePick Combobox Pattern
• more things to consider, there 2 views of choosing a year.
  first click "year" text on the title, show a view