Worked on enhancing the reliability of the Redis cache layer in the rails/rails repository by addressing transient Redis errors that could disrupt application stability. Focused on backend development using Ruby, the solution expanded error handling in RedisCacheStore to rescue RedisClient::Error, ensuring that temporary Redis outages or network issues did not propagate failures to dependent applications. The implementation maintained compatibility with redis-rb 4.x by conditionally applying the rescue logic, mirroring established patterns for handling similar errors. This approach improved cache resilience under Redis Sentinel and similar configurations, reducing user-facing cache failures and strengthening overall system availability through robust error handling and testing.