Payments Glitch: Mastercard card payments reportedly disrupted for some Australians, with CommBank pointing to a “global Mastercard issue”; ABC says shoppers saw problems including Apple Pay, cash withdrawals and Mastercard travel cards. Border Tech in the Pacific: Australia-backed CCTV and control-room upgrades at Fiji’s Nadi airport aim to boost detection and response to transnational crime, delivered via the Vuvale Partnership Programme. AI Data Centre Water Plan Changes: OpenAI’s planned Sydney S7 data centre reportedly dropped recycled-wastewater cooling after permit hurdles, shifting to a more energy-intensive closed-loop approach. Undersea Drone Tracking: A US-led exercise highlighted distributed acoustic sensing to detect and track unmanned underwater vehicles, with Australian personnel involved under AUKUS Pillar II. Student Visa Paperwork: Australia published the full 2026 Student visa (subclass 500) document list, including identity, enrolment, OSHC and extra welfare rules for under-18s. Health Research: Australian-linked study finds rising atmospheric CO2 may be shifting human blood chemistry over decades, with kids potentially most affected. Solar Waste Forecast: New research warns discarded solar panels could reach 402 million tonnes by 2060, but better recycling could unlock major value.