Japan's revised Imperial House Law took effect on October 24, allowing female members of the Imperial Family to retain their royal status after marriage and permitting the adoption of male descendants from former imperial family branches, marking the first substantive amendment to the law's main provisions since its enactment in 1947.
A critical security flaw discovered in PHP, a programming language used by an estimated 70% of the world's web systems, has triggered widespread disruptions across Japan since October 21, forcing banks, restaurant chains, government agencies and other businesses to suspend online services as a precaution against potential cyberattacks.
Japan is considering whether to introduce nuclear-powered submarines as part of a broader review of its national defense strategy, with Defense Minister Shinjiro Koizumi signaling on October 9 that the government would not rule out any options as it seeks to strengthen deterrence against growing regional threats, although legal restrictions, technological challenges, high costs, and demanding crew requirements present formidable obstacles.
Atsumi Harasawa, a 59-year-old lawyer making her first bid for mayor, won Yokohama's mayoral election on October 18, defeating former Mayor Takeharu Yamanaka, whose resignation over allegations of workplace bullying prompted the vote.
Prime Minister Sanae Takaichi faced renewed political pressure on October 19 as fresh opinion polls showed declining public support following a ministerial resignation, while her government signaled it could issue additional bonds to finance a planned two-year consumption tax exemption on food beginning in April 2027.
Prime Minister Sanae Takaichi has accepted the resignation of Agriculture, Forestry and Fisheries Minister Kazuo Yana following controversial remarks about cutting government funding to municipalities that did not support him in an election, ending nearly two weeks of mounting criticism and leaving unresolved allegations of political pressure and election law violations.
Agriculture, Forestry and Fisheries Minister Yana submitted his resignation to Prime Minister Sanae Takaichi on the evening of October 14 over a controversy involving shuttle buses and other issues, prompting Takaichi to acknowledge her responsibility for appointing him and announce plans to name a successor on October 15.
Russian authorities have arrested a Japanese journalist working for the Hokkaido Shimbun newspaper on suspicion of espionage, releasing footage of a security operation and accusing the reporter of gathering military intelligence, in a case that threatens to further strain relations between Tokyo and Moscow.