limits

Release Date: 2025-09-29

• Development

  • Move all project metadata to pyproject

  • Use uv for development

  • Use hatch for package build

  • Remove versioneer for versioning

Release Date: 2025-08-05

• Compatibility

  • Relax upper bound of packaging requirement

  • Increase upper bound of coredis requirement

  • Increase upper bound of redis requirement

Release Date: 2025-06-16

• Feature

  • Relax regular expression used in limits.parse and limits.parse_many to capture any granularity instead of just the hardcoded ones so that custom rate limits can also be extracted using the utility functions. Issue 279

• Compatibility

  • Add redis 8.0 to CI

Release Date: 2025-06-13

• Bug Fix

  • Fix race condition during expiration of in-memory moving window limits that resulted in incorrectly removing unexpired entries. Issue 277

Release Date: 2025-05-16

• Bug Fix

  • Fix incorrect behavior of the clear method for sliding window counter which effectively did not clear the sliding window for redis, memcached & in memory storage implementations. Issue 276

Release Date: 2025-04-23

• Features

  • Expose key_prefix constructor argument for all redis storage implementations to simplify customizing the prefix used for all keys created in redis.

Release Date: 2025-04-15

• Backward incompatible changes

  • Dropped support for Fixed Window with Elastic Expiry strategy

  • Dropped support for etcd

  • Changed the default implementation for async+memached from emcache to :pypi`:memcachio`

• Performance

  • Improved performance of redis moving window test and get_window_stats operations especially when dealing with large rate limits.

  • Improved performance of mongodb moving window test and get_window_stats operations.

  • Improved performance of in-memory moving window test and get_window_stats operations.

  • Reduced load on event loop when expiring limits with async in-memory implementations

Release Date: 2025-04-12

• Documentation

  • Expand benchmark results to included preseeded limits

• Bug Fix

  • Handle clearing missing key with memcache + async

Release Date: 2025-04-09

• Documentation

  • Improve presentation of benchmark docs

Release Date: 2025-04-08

• Testing

  • Fix incorrect benchmark for async test method

Release Date: 2025-04-08

• Documentation

  • Add benchmarking results in documentation

Release Date: 2025-04-03

• Bug Fix

  • Ensure mongo clients are closed on storage destruction. Issue 264

Release Date: 2025-04-03

• Bug Fix

  • Fix concurrent update error when expiring moving window entries. Issue 267

Release Date: 2025-03-14

• Documentation

  • Fix deprecation documentation for etcd

Release Date: 2025-03-14

• Compatibility

  • Deprecate support for etcd

Release Date: 2025-03-14

• Feature

  • Add support for valkey:// schemas and using valkey-py dependency

• Compatibility

  • Drop support for python 3.9

  • Improve typing to use python 3.10+ features

Release Date: 2025-03-11

• Feature

  • Add support for using redis-py instead of coredis which asyncio + redis storages

Release Date: 2025-03-07

• Feature

  • Add new Sliding Window Counter strategy

• Deprecation

  • Deprecate the Fixed window with elastic expiry strategy

• Documentation

  • Re-write strategy documentation with concrete examples

Release Date: 2025-01-16

Security

• Change pypi release to use trusted publishing

Release Date: 2025-01-05

• Breaking change

  • Change definition of reset_time in get_window_stats to use a precise floating point value instead of truncating to the previous second.

Release Date: 2024-11-30

• Chore

  • Fix benchmark artifact upload/download issue during release creation

Release Date: 2024-06-22

• Feature

  • Add cost parameter to test methods in strategies.

Release Date: 2024-05-12

• Enhancements

  • Lazily initialize pymongo client

• Documentation

  • Add django-ratelimiter in docs

• Chores

  • Update development dependencies

  • Update github actions to latest

Release Date: 2024-04-20

• Compatibility

  • Add support for python 3.12

Release Date: 2024-03-17

• Compatibility

  • Relax dependency constraint on packaging

Release Date: 2024-03-08

• Bug Fix

  • Fix incorrect mapping of coredis exceptions

  • Fix calculation of reset_time

Release Date: 2024-02-17

• Bug Fix

  • Remove excessively low defaults for mongodb storage and instead delegate to the underlying dependency (pymongo, motor)

Release Date: 2024-02-14

• Features

  • Add option to wrap storage errors with a StorageError exception

Release Date: 2023-11-24

• Features

  • Ensure rate limit keys in redis use are prefixed with a LIMITS prefix. This allows for resetting all keys generated by the library without implicit knowledge of the key structure.

Release Date: 2023-08-31

• Bug Fix

  • Remove default socket timeout from mongo storage

  • Ensure _version.py has stable content when generated using git archive from a tag regardless of when it is run.

• Compatibility

  • Remove references to python 3.7

  • Remove unnecessary setuptools dependency

Release Date: 2023-05-16

• Bug Fix

  • Handle cost > 8000 when using redis

  • Remove arbitrary default timeout for redis+sentinel

Release Date: 2023-04-17

• Bug Fix

  • Remove use of weakreferences to storages in strategy classes as this was not documented or required and led to usability issues.

• Chores

  • Update documentation dependencies

  • Remove unused gcra lua script

Release Date: 2023-03-22

• Compatibility

  • Block incompatible versions of redis-py

• Chores

  • Force error on warnings in tests

Release Date: 2023-03-20

• Compatibility

  • Remove deprecated use of pkg_resources and switch to importlib_resource

• Chores

  • Update documentation dependencies

  • Update github actions versions

Release Date: 2023-01-24

• Bug Fix

  • Fix handling of authentication details in storage url of redis cluster

• Chores

  • Add test coverage for redis cluster with auth required

Release Date: 2023-01-16

• Bug Fix

  • Disallow acquiring amounts > limit in moving window

• Usability

  • Use a named tuple for the response from RateLimiter.get_window_stats

Release Date: 2023-01-12

• Performance

  • Reduce rpc calls to etcd for counter increment

• Compatibility

  • Relax version requirements for packaging dependency

• Chores

  • Improve benchmark outputs

  • Improve documentation for etcd

Release Date: 2023-01-06

• Chores

  • Fix benchmark result artifact capture

Release Date: 2023-01-05

• Compatibility

  • Increase minimum version of pymongo to 4.1

• Chores

  • Refactor storage tests

  • Improve test coverage across python versions in CI

Release Date: 2023-01-04

• Features

  • Added etcd storage support for fixed window strategies

• Compatibility

  • Removed deprecated GAE Memcached storage

  • Updated minimum dependencies for mongodb

  • Updated dependency for async memcached on python 3.11

Release Date: 2022-12-23

• Chores

  • Make rate limit items hashable

  • Update test certificates

Release Date: 2022-12-11

• Compatibility Updates

  • Update documentation dependencies

  • Relax version constraint for packaging dependency

  • Bump CI to use python 3.11 final

Release Date: 2022-10-20

• Compatibility Updates

  • Increase pymemcached dependency range to in include 4.x

  • Add python 3.11 rc2 to CI

Release Date: 2022-07-16

• Compatibility Updates

  • Update coredis requirements to include 4.x versions

  • Remove CI / support for redis < 6.0

  • Remove python 3.7 from CI

  • Add redis 7.0 in CI

Release Date: 2022-06-05

• Chores

  • Update development dependencies

  • Add CI for python 3.11

  • Increase test coverage for redis sentinel

Release Date: 2022-05-12

• Compatibility Updates

  • Update motor requirements to include 3.x version

  • Update async redis sentinel implementation to remove use of deprecated methods.

  • Fix compatibility issue with asyncio redis reset method in cluster mode when used with coredis versions >= 3.5.0

Release Date: 2022-04-25

• Bug Fix

  • Fix typing regression with strategy constructors Issue 88

Release Date: 2022-04-25

• Deprecation

  • Removed tests for rediscluster using the redis-py-cluster library

• Bug Fix

  • Fix incorrect __slots__ declaration in limits.RateLimitItem and it's subclasses (Issue #121)

Release Date: 2022-04-25

• Bug Fix

  • Fix typing regression with strategy constructors Issue 88

Release Date: 2022-04-22

• Chore

  • Automate Github releases

Release Date: 2022-04-17

• Chore

  • Increase strictness of type checking and annotations

  • Ensure installations from source distributions are PEP-561 compliant