0.4.0

Issues

• 0.4.0: remove the deprecated SessionMiddleware

  breaking-changesession
  allen0099/FastAPI-CacheX#69 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: remove BackendProxy.get_backend() / set_backend()

  backendsbreaking-change
  allen0099/FastAPI-CacheX#70 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: make BaseCacheBackend.delete() return whether a key was removed

  backendsbreaking-change
  allen0099/FastAPI-CacheX#71 · by Filter by author allen0099 was closed on Oct 2, 2026 · 0.4.0

• Cache keys do not normalize query parameter order

  breaking-changehttp-cache
  allen0099/FastAPI-CacheX#72 · by Filter by author allen0099 was closed on Sep 30, 2026 · 0.4.0
  1

• 0.4.0: remove the Redis clear_pattern prefix fallback

  backendsbreaking-change
  allen0099/FastAPI-CacheX#125 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: drop the Redis encoding option and read raw bytes

  backendsbreaking-change
  allen0099/FastAPI-CacheX#126 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: make UserSessionDep require a session with a user

  breaking-changesession
  allen0099/FastAPI-CacheX#127 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: conditional session writes so a stale request cannot restore a deleted session

  backendsbreaking-changesession
  allen0099/FastAPI-CacheX#128 · by Filter by author allen0099 was closed on Sep 30, 2026 · 0.4.0
  1

• 0.4.0: reject JWT HMAC secrets shorter than the hash output

  breaking-changesession
  allen0099/FastAPI-CacheX#129 · by Filter by author allen0099 was closed on Oct 1, 2026 · 0.4.0

• 0.4.0: remove the unused CacheError exception

  breaking-change
  allen0099/FastAPI-CacheX#130 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• Repeated response headers are collapsed when a response is cached

  breaking-changebughttp-cache
  allen0099/FastAPI-CacheX#105 · by Filter by author allen0099 was closed on Sep 30, 2026 · 0.4.0
  1

• Remove the deprecated memcache extra

  backendsbreaking-change
  allen0099/FastAPI-CacheX#202 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: explicit login()/logout() that always rotate the session ID, and __Host- cookie by default

  enhancementsession
  allen0099/FastAPI-CacheX#256 · by Filter by author allen0099 was closed on Sep 30, 2026 · 0.4.0
  1

• Cache key: normalise the host (case, default port)

  breaking-changeenhancementhttp-cachesecurity
  allen0099/FastAPI-CacheX#265 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• Cache key: add a format version tag to HTTP keys

  breaking-changeenhancementhttp-cache
  allen0099/FastAPI-CacheX#266 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• Cache key: hash long query strings to bound key length

  backendsbreaking-changeenhancementhttp-cache
  allen0099/FastAPI-CacheX#269 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• Cache key: a single CacheKey type to encode and parse the format

  breaking-changeenhancementhttp-cache
  allen0099/FastAPI-CacheX#270 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: use a single | as the cache-key separator

  breaking-changeenhancementhttp-cache
  allen0099/FastAPI-CacheX#271 · by Filter by author allen0099 was closed on Sep 29, 2026 · 0.4.0

• 0.4.0: enable get_or_set() stampede protection by default

  breaking-changecache-managerenhancement
  allen0099/FastAPI-CacheX#280 · by Filter by author allen0099 was closed on Sep 30, 2026 · 0.4.0

• add_routes: monitoring routes are unauthenticated and expose content previews by default

  breaking-changeenhancementmonitoringsecurity
  allen0099/FastAPI-CacheX#298 · by Filter by author allen0099 was closed on Sep 30, 2026 · 0.4.0

• feat!: remove BackendProxy.get_backend() and set_backend()

  backendsbreaking-change
  Unread
  allen0099/FastAPI-CacheX#398·by allen0099 was merged Sep 29, 2026

• feat!: remove the unused CacheError exception

  breaking-changedeveloper-experience
  Unread
  allen0099/FastAPI-CacheX#399·by allen0099 was merged Sep 29, 2026

• feat!: remove the deprecated memcache extra

  backendsbreaking-change
  Unread
  allen0099/FastAPI-CacheX#400·by allen0099 was merged Sep 29, 2026

• feat(redis)!: remove the clear_pattern prefix fallback and the encoding option

  backendsbreaking-change
  Unread
  allen0099/FastAPI-CacheX#401·by allen0099 was merged Sep 29, 2026

• feat(session)!: remove the deprecated SessionMiddleware

  breaking-changesession
  Unread
  allen0099/FastAPI-CacheX#402·by allen0099 was merged Sep 29, 2026