Apple begins promoting WWDC 2026 with a new campaign using the slogan “All systems glow.” Multiple reports say the teaser is tied to the company’s upcoming June 8 event, where Apple is expected to announce new software updates, including iOS 27 and changes to Siri. CNET reports that the WWDC promotion includes supporting materials such as a playlist and wallpapers, and suggests the tagline points toward an iOS 27 reveal. The coverage also references recent leaks indicating Siri-focused improvements, including a UI with glowing visual elements. Business Standard similarly notes that Apple’s WWDC 2026 teaser aligns with expectations for updates around Siri and iOS 27, alongside other software announcements, but does not provide additional confirmed details beyond the event timing and the messaging theme. Taken together, the sources agree that Apple is using the “All systems glow” branding to build anticipation for WWDC 2026, with an emphasis on a redesigned or enhanced Siri experience and related software changes.