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Backend changelog digest

Aug 4 - Aug 10, 2025. Useful releases, risky migrations, and noisy updates from the Backend channel.

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Backend updates in 2025-w32

8.2.0

  • Introduced new stream commands XDELEX and XACKDEL, extended XADD/XTRIM, added bitmap BITOP operators (DIFF, DIFF1, ANDOR, ONE), and a new SVS VAMANA vector index with compression
  • Added per‑slot usage and key‑size distribution metrics along with numerous performance and resource‑utilization improvements
  • Fixed multiple bugs and security issues, including CVE‑2025‑32023 and CVE‑2025‑48367, crash fixes, and replication/TTL handling