Unlikely. Switching can take months to years to do, its just unrealistic to switch engines for a game already deep in production. Its an option to switch engines when you are working on a new title but having to rebuild the foundations of your game all over again is probably not worth it, when the time you are wasting doing that can just be invested on working a new project.
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Depending on the complexity of your game or project, it may be very expensive to switch engines.
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Staying on unity might also be very expensive depending on how all this resolves. Switching might be a cheaper option and worth at least looking at.
Unlikely. Switching can take months to years to do, its just unrealistic to switch engines for a game already deep in production. Its an option to switch engines when you are working on a new title but having to rebuild the foundations of your game all over again is probably not worth it, when the time you are wasting doing that can just be invested on working a new project.