The file appears to be a specific technical archive primarily associated with the PPSSPP emulator , a popular tool for playing Sony PSP games on modern devices. The "Gripshift" Fix
: A .rar file with this name likely contains a "build" or a collection of modified assets intended to test this specific fix before it was officially merged into the main software. 21377.rar
: A standard update to the emulator accidentally broke compatibility with Gripshift . The file appears to be a specific technical
In the community surrounding the PPSSPP project on GitHub , the number refers to a specific code fix (Pull Request or Issue) aimed at resolving a "regression"—essentially a new bug introduced by a previous update—in the game Gripshift . 21377.rar