Hybrid Perovskite Photovoltaics Photochromic materials enable dynamic stabilization of perovskite solar cells, such as during the simulated day-night cycles, which is the result of their reversible transformation in response to light, setting the stage for smart nature-inspired photovoltaic systems and technologies in the future. More details can be found in article number 2420143 by Jovana V. Milić and co-workers.