Steam Community HiDPI 摘要
Steam Community HiDPI：Improves the appearance of the Steam Community on HiDPI displays...
Steam Community HiDPI 简介
This add-on replaces avatars and screenshots with higher resolution versions where available on the Friend Activity and user profile pages on the Steam Community.
While this will reduce the visiblity of JPEG artefacts for everyone, it will be most obvious to users with high density displays.