ScyllaDB Open Source Release 4.5

ScyllaDB Open Source 4.5 introduces several enhancements and new features, including support for Cross-Origin Resource Sharing (CORS) via its DynamoDB-compatible API, Alternator, and improvements in performance and stability. This release includes updates like the use of Ubuntu 20.04 for EC2 AMI, changes in memory allocation to reduce latency, and a new background reclaim service for better memory management. The Change Data Capture (CDC) feature now uses partitions and clustering rows to optimize performance, while the Raft protocol is being integrated for future schema management improvements. Additional tools and optimizations include better slow query logging, partial repair capabilities, and enhancements to the nodetool utility. The release also addresses various bugs and stability issues, ensuring improved performance and reliability for users upgrading from previous versions.