Cycling stability is one of the key parameters for evaluating COF-based electrodes. Although the stability of COFs has been significantly improved in recent years, some design strategies can lead to new, much more robust linkages. The evaluation of capacity retention after several (>1000) cycles as well as postmortem analysis of COF electrodes can contribute to a better understanding of the stability of these materials. Although there is still a long way to go, the scalability, cost and recycling of these materials should be considered in the near future for further applications.