Stick to LTS (Long-Term Stability) releases. F5 marks these clearly in their release notes. They have the most security patches and fewer "bleeding-edge" bugs.
October 26, 2023 Subject: Best Practices for Sourcing and Deploying F5 BIG-IP ISO Images Status: Advisory download big ip f5 iso best
Search engines see “download big ip f5 iso best” – but what does “best” mean? It depends on your hardware. Stick to LTS (Long-Term Stability) releases