ScyllaDB Open Source Release 3.0.4

ScyllaDB Open Source 3.0.4, a bugfix release from the ScyllaDB 3.0 stable branch, addresses several issues to enhance performance and stability while maintaining backward compatibility and supporting rolling upgrades. The release primarily resolves a rare race condition between schema updates and compaction processes that could lead to data being written to incorrect columns, potentially causing crashes or errors. Additionally, fixes include resolving commit log overlapping issues, improving back pressure management in materialized views, balancing shard connections in ScyllaDB drivers, and mitigating large allocation requirements for MC file formats. Other improvements address a variety of technical issues, such as unaligned DMA addresses, JSON insertion limitations, authentication memory access, and streaming and bootstrap challenges, while also establishing TLSv1.2 as the default for CQLSh.

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