Recent and related. Others?
Temporary suspension of acceptance of mail to the United States - https://news.ycombinator.com/item?id=45016517 - Aug 2025 (351 comments)
Australia Post halts transit shipping to US as 'chaotic' tariff deadline looms - https://news.ycombinator.com/item?id=44970269 - Aug 2025 (173 comments)