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@dependabot dependabot bot commented on behalf of github Jan 26, 2026

Bumps dalli from 4.0.0 to 4.1.0.

Changelog

Sourced from dalli's changelog.

4.1.0

New Features:

  • Add set_multi for efficient bulk set operations using pipelined requests
  • Add delete_multi for efficient bulk delete operations using pipelined requests
  • Add fetch_with_lock for thundering herd protection using meta protocol's vivify/recache flags (requires memcached 1.6+)
  • Add thundering herd protection support to meta protocol (requires memcached 1.6+):
    • N (vivify) flag for creating stubs on cache miss
    • R (recache) flag for winning recache race when TTL is below threshold
    • Response flags W (won recache), X (stale), Z (lost race)
    • delete_stale method for marking items as stale instead of deleting
  • Add get_with_metadata for advanced cache operations with metadata retrieval (requires memcached 1.6+):
    • Returns hash with :value, :cas, :won_recache, :stale, :lost_recache
    • Optional :return_hit_status returns :hit_before (true/false for previous access)
    • Optional :return_last_access returns :last_access (seconds since last access)
    • Optional :skip_lru_bump prevents LRU update on access
    • Optional :vivify_ttl and :recache_ttl for thundering herd protection

Deprecations:

  • Binary protocol is deprecated and will be removed in Dalli 5.0. Use protocol: :meta instead (requires memcached 1.6+)
  • SASL authentication is deprecated and will be removed in Dalli 5.0. Consider using network-level security or memcached's TLS support

4.0.1

  • Add :raw client option to skip serialization entirely, returning raw byte strings
  • Handle OpenSSL::SSL::SSLError in connection manager
Commits
  • 060cb14 Dalli 4.1.0 release
  • 486e3eb Update roadmap: mark h, l, u flags and get_with_metadata as complete
  • dc0f230 Add get_with_metadata and meta protocol h, l, u flags
  • 0887f4f Fix roadmap: clarify which meta flags are actually implemented
  • a17ddf3 Add v5.0 roadmap document
  • 692864f Update version to 4.1.0 in CHANGELOG
  • c606c87 Add v4.2.0 features: set_multi, delete_multi, thundering herd protection
  • 39b5d07 Dalli 4.0.1 release
  • 857b4b2 Improve StringMarshaller and :raw option documentation
  • 4e6a9ab Add :raw client option
  • Additional commits viewable in compare view

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Bumps [dalli](https://github.com/petergoldstein/dalli) from 4.0.0 to 4.1.0.
- [Changelog](https://github.com/petergoldstein/dalli/blob/main/CHANGELOG.md)
- [Commits](petergoldstein/dalli@v4.0.0...v4.1.0)

---
updated-dependencies:
- dependency-name: dalli
  dependency-version: 4.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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@dependabot dependabot bot added dependencies Pull requests that update a dependency file ruby Pull requests that update ruby code labels Jan 26, 2026
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