For many Hacker News readers who check the website every day, this is not news:
• (4 years ago) Japan forces Apple to slightly loosen restrictions on ‘reader’ apps — https://news.ycombinator.com/item?id=28387094
• (3 years ago) Japan pushes for Apple and Google to allow sideloading — https://news.ycombinator.com/item?id=36393809
• (3 years ago) Japan to open up Apple and Google app stores to competition — https://news.ycombinator.com/item?id=36368735
• (3 years ago) Japan to open up Apple- and Google-dominated phone apps to competition — https://news.ycombinator.com/item?id=36370398
• (3 years ago) Apple Japan hit with $98M in back taxes for missing duty-free abuses — https://news.ycombinator.com/item?id=34156235
• (2 years ago) Japan to crack down on Apple and Google app store monopolies — https://news.ycombinator.com/item?id=38773429
• (2 years ago) Japan forces Apple and Google to open their mobile platforms — https://news.ycombinator.com/item?id=40666651
• (2 years ago) Japan enacts law to curb Apple, Google's app dominance — https://news.ycombinator.com/item?id=40671162
• (5 months ago) Japan: Apple Must Lift Browser Engine Ban by December — https://news.ycombinator.com/item?id=44810061
• (5 months ago) Japan Law Will Require Apple to Allow Non-WebKit Browsers on iPhone — https://news.ycombinator.com/item?id=44826077
• (15 days ago) Apple Announces Changes to iOS in Japan — https://news.ycombinator.com/item?id=46307858
• (14 days ago) Apple and Google respond to new Japan smartphone law, including reduced app fees — https://news.ycombinator.com/item?id=46310074
… and more here: https://hn.algolia.com/?q=japan+apple