matplotlib.rc_context incorrectly reset the value of :rc:`backend` if backend resolution was triggered in the context. This affected only the value. The actual backend was not changed. Now, matplotlib.rc_context does not reset :rc:`backend` anymore.
matplotlib.rc_context incorrectly reset the value of :rc:`backend` if backend resolution was triggered in the context. This affected only the value. The actual backend was not changed. Now, matplotlib.rc_context does not reset :rc:`backend` anymore.