# RedisBloom 2.2 release notes ## Requirements RedisBloom v2.2.18 requires: - Minimum Redis compatibility version (database): 4.0.0 - Minimum Redis Enterprise Software version (cluster): 5.0.0 ## v2.2.18 (July 2022) This is a maintenance release for RedisBloom 2.2. Update urgency: `MODERATE`: Program an upgrade of the server, but it's not urgent. Details: - Bug fixes: - [#481](http://github.com/RedisBloom/RedisBloom/issues/481) CF crashes on expansion 0 - [#478](http://github.com/RedisBloom/RedisBloom/pull/478) [`BF.INFO`](http://redis.io/docs/latestcommands/bf.info) reports an inaccurate result about the memory footprint ## v2.2.17 (June 2022) This is a maintenance release for RedisBloom 2.2. Update urgency: `HIGH`: There is a critical bug that may affect a subset of users. Upgrade! Details: - Bug fixes: - [#451](http://github.com/RedisBloom/RedisBloom/pull/451) [`TOPK.INCRBY`](http://redis.io/docs/latestcommands/topk.incrby): fix calculation when old fingerprint count is reduced to 0 - [#462](http://github.com/RedisBloom/RedisBloom/pull/462) [`CF.RESERVE`](http://redis.io/docs/latestcommands/cf.reserve): fix potential crash on incorrect number of parameters - [#434](http://github.com/RedisBloom/RedisBloom/pull/434) [`CF.INSERT`](http://redis.io/docs/latestcommands/cf.insert): fix crash when capacity is negative - [#450](http://github.com/RedisBloom/RedisBloom/pull/450) [`TOPK.INCRBY`](http://redis.io/docs/latestcommands/topk.incrby): limit increment to 100,000 to prevent potential long freezes ## v2.2.15 (May 2022) This is a maintenance release for RedisBloom 2.2. Update urgency: None. Details: - Enhancements: - Added support for RedisBloom for AArch64 Linux ## v2.2.14 (March 2022) This is a maintenance release for RedisBloom 2.2. Update urgency: `MODERATE`: Program an upgrade of the server, but it's not urgent. Details: - Bug fixes: - [#419](http://github.com/RedisBloom/RedisBloom/pull/419) `CMS.INCRBY` now returns an error on overflow - [#412](http://github.com/RedisBloom/RedisBloom/pull/412) Fixed macOS build ## v2.2.12 (February 2022) This is a maintenance release for RedisBloom 2.2. Update urgency: `MODERATE`: Program an upgrade of the server, but it's not urgent. Details: - Bug fixes: - [#392](http://github.com/RedisBloom/RedisBloom/pull/392) Fixed a potential crash on Bloom filter expansion when loading from [AOF](http://redis.io/docs/latest/operate/oss_and_stack/management/persistence) - [#404](http://github.com/RedisBloom/RedisBloom/pull/404) Fixed a potential crash on Cuckoo filter when calling `CF.LOADCHUNK` on a filter with `EXPANSION` greater than 1 ## v2.2.9 (November 2021) This is a maintenance release for RedisBloom 2.2. Update urgency: `MODERATE`: Program an upgrade of the server, but it's not urgent. Details: - Bug fixes: - [#281](http://github.com/RedisBloom/RedisBloom/pull/281) Memory leak when loading TOPK keys from RDB. - [#303](http://github.com/RedisBloom/RedisBloom/pull/303) `CMS.INCRBY` for negative or non-number - [#354](http://github.com/RedisBloom/RedisBloom/pull/354) TOPK List Duplicate entries - [#369](http://github.com/RedisBloom/RedisBloom/pull/369) Free only latest filter on `CF.COMPACT` - [#371](http://github.com/RedisBloom/RedisBloom/pull/371) `CF.SCANDUMP` for cuckoo filter - [#374](http://github.com/RedisBloom/RedisBloom/pull/374) ReplicateVerbatim for `CF.LOADCHUNK` (similar to [#309](http://github.com/RedisBloom/RedisBloom/pull/309)) - Improvements: - [#331](http://github.com/RedisBloom/RedisBloom/pull/331) Add `WITHCOUNT` flag to `TOPK.LIST` ## v2.2.6 (August 2021) This is a maintenance release for version 1.0. Update urgency: `LOW` - No need to upgrade unless there are new features you want to use. Details: - Enhancements: - #[333](http://github.com/redisbloom/redisbloom/issues/333) Support inter shards TLS capability ## v2.2.4 (July 2020) Headlines: - This release improves overall stability and provides fixes for found issues. Details: - Bug fixes: - #[215](http://github.com/redisbloom/redisbloom/issues/215) Count-Min-Sketch CMS.INCRBY command to reply with correct min result. - #[219](http://github.com/redisbloom/redisbloom/issues/219) Cuckoo Filter CF.DEBUG correct response formatting. ## v2.2.3 (July 2020) Headlines: - This release improves overall stability and provides fixes for found issues. Details: - Bug fixes: - [#217](http://github.com/RedisBloom/RedisBloom/pull/217) Client hung on `BF.INSERT` with multiple new items when a non-scaling filter is full. ## v2.2.2 (March 2020) Headlines: - This release improves overall stability and provides fixes for issues found after the previous release. Details: - Minor enhancements: - Bloom - #[180](http://github.com/redisbloom/redisbloom/issues/180) Removed the upper limit on Bloom Filter capacity. ## v2.2.1 (January 2020) Headlines: - This release improves overall stability and provides fixes for issues found after the previous release. Details: - Minor Enhancements: - Bloom - #[179](http://github.com/RedisBloom/RedisBloom/issues/179) Allow storing filters with size over 4294967295 (UINT32_MAX). Now 64 bits. - #[177](http://github.com/RedisBloom/RedisBloom/issues/177) Prevent passing both `EXPANSION` *and* `NONSCALING` parameters to `BF.RESERVE`. ## v2.2.0 (December 2019) - Added functionality - Bloom - #[149](http://github.com/RedisBloom/RedisBloom/issues/149) `BF.INFO` returns details about a specific bloom filter - Scalable - #[153](http://github.com/RedisBloom/RedisBloom/issues/153) Ability to change the `EXPANSION` rate. This means each subsequent sub-filter will be `expansion` times larger as the previous one. - #[160](http://github.com/RedisBloom/RedisBloom/issues/160) Optimise the scaling up of filter according to the [Scalable Bloom Filter](http://core.ac.uk/download/pdf/55607643.pdf) paper - #[161](http://github.com/RedisBloom/RedisBloom/issues/161) Optional `NONSCALING` argument to disable scaling. (This saves space since less hash functions are used) - #[155](http://github.com/RedisBloom/RedisBloom/issues/155) Disabling rounding up functionality - Cuckoo - #[149](http://github.com/RedisBloom/RedisBloom/issues/149) `CF.INFO` returns details about a specific cuckoo filter - Scalable - #[138](http://github.com/RedisBloom/RedisBloom/issues/138) Configurable `EXPANSION`. When an additional filter is created, its size will be the size of the current filter multiplied by the `expansion`. Higher expansion rates will result in lower error rates. - #[142](http://github.com/RedisBloom/RedisBloom/issues/142) The maximum number of expansions limited to 32. - #[131](http://github.com/RedisBloom/RedisBloom/issues/131) Configurable `MAXITERATIONS`. Number of attempts to swap buckets before declaring filter as full and creating an additional filter. - #[135](http://github.com/RedisBloom/RedisBloom/issues/135) Configurable `BUCKETSIZE`. Number of items in each bucket. Higher bucket size value improves the fill rate but result in a higher error rate and slightly slower operation speed. - #[142](http://github.com/RedisBloom/RedisBloom/issues/142) use of 64bit hash function - #[136](http://github.com/RedisBloom/RedisBloom/issues/136) expose compaction of filters in the API - CMS - #[97](http://github.com/RedisBloom/RedisBloom/issues/97) `CMS.INCRBY` returns count instead of ‘OK’ - Minor bug fixes - Bloom - #[154](http://github.com/RedisBloom/RedisBloom/issues/154) Check error rate is 1< (cannot be equal) - Cuckoo - #[134](http://github.com/RedisBloom/RedisBloom/issues/134) Added `CuckooInsert_MemAllocFailed` exception - #[130](http://github.com/RedisBloom/RedisBloom/issues/130) Number of deletes wasn’t saved to RDB - General - #[117](http://github.com/RedisBloom/RedisBloom/issues/117) Using `RMUtil_RegisterWriteDenyOOMCmd` - #[121](http://github.com/RedisBloom/RedisBloom/issues/121) Moved `ReplicaVerbatim` to end of functions