If you are working with this specific .rar archive, common technical notes from users include:
: Many versions of this update package are bundled to ensure that released DLCs—such as additional costumes or school events—are properly recognized and activated within the game engine. Installation Highlights BLUE.REFLECTION.Update.v1.01.rar
: The update is often highly compressed. While the final installed game can take up to 24 GB , the update archives are significantly smaller to facilitate easier sharing. If you are working with this specific
: Fixes common launch-day crashes and improves frame rate consistency, especially during transitions between the school and the "Common" (the game's dream world). : Fixes common launch-day crashes and improves frame
: Corrects issues where certain resolutions weren't displaying properly or caused UI elements to stretch.
: Most "solid" releases of this update include an after-install integrity check tool. It is highly recommended to run this to ensure no files were corrupted during the extraction of the .rar .