Published onSeptember 30, 2026Happy 6th Anniversary, Project Sekai! Sekai Viewer Reborn Preview Coming Soon6th-anniversarySekai-ViewerRebornUpdatePreviewProject Sekai turns six today. Let's celebrate, catch up on the progress of Sekai Viewer Reborn, and look forward to the upcoming public preview.
Published onAugust 3, 2026Looking Ahead: Sekai Viewer Reborn and the Migration PlanSekai-ViewerUpdateRoadmapMigrationSekai Viewer will gradually move to Sekai Viewer Reborn. The current site will remain available during the transition while the new experience grows.
Published onSeptember 26, 20233rd Anniversary of Project Sekai and the Reborn of Sekai Viewer3rd-anniversarysekai-viewerupdaterebornThe Project Sekai Colorful Stage will have its 3rd anniversary very soon, which will bring many updates, so does Sekai Viewer.
Published onMay 27, 2022Sekai World blog launch, and the future of Sekai ViewerSekai-ViewerDevelopmentRoadmapSekai World blog launches from now, I'd like to talk about the future of Sekai Viewer development work as well