mirror of https://github.com/valkey-io/valkey
Valkey 9.0.0-rc1 release notes and `version.h` bump (#2476)
As per step 2 of the release checklist #2408 for 9.0.0-rc1 --------- Signed-off-by: Kyle J. Davis <kyledvs@amazon.com> Co-authored-by: Madelyn Olson <madelyneolson@gmail.com> Co-authored-by: Viktor Söderqvist <viktor.soderqvist@est.tech> Co-authored-by: Harkrishn Patro <bunty.hari@gmail.com> Co-authored-by: Ping Xie <pingxie@outlook.com> Co-authored-by: Wen Hui <wen.hui.ware@gmail.com>
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Kyle J. Davis
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00-RELEASENOTES
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00-RELEASENOTES
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Hello! This file is just a placeholder, since this is the "unstable" branch
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of Valkey, the place where all the development happens.
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Valkey 9.0 release notes
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========================
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There is no release notes for this branch, it gets forked into another branch
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every time there is a partial feature freeze in order to eventually create
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a new stable release.
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Upgrade urgency levels:
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Usually "unstable" is stable enough for you to use it in development environments
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however you should never use it in production environments. It is possible
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to download the latest stable release here:
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| Level | Meaning |
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|----------|---------------------------------------------------------------------|
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| LOW | No need to upgrade unless there are new features you want to use. |
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| MODERATE | Program an upgrade of the server, but it's not urgent. |
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| HIGH | There is a critical bug that may affect a subset of users. Upgrade! |
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| CRITICAL | There is a critical bug affecting MOST USERS. Upgrade ASAP. |
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| SECURITY | There are security fixes in the release. |
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https://valkey.io/download/
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Valkey 9.0.0-rc1 - August 14, 2025
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----------------------------------
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More information is available at https://valkey.io
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Upgrade urgency LOW: This is the first release candidate of Valkey 9.0.0, with
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performance improvements, atomic slot migrations, hash field expiration, and numbered databases in cluster mode,
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as well as a whole host of new items as listed below.
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Happy hacking!
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### New Features
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* Client Commands Extended Filtering by @sarthakaggarwal97 (#1466)
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* Add multi-database support to cluster mode by @xbasel (#1671)
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* Support BYPOLYGON option for GEOSEARCH by @KarthikSubbarao (#1809)
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* Introduce MPTCP by @pizhenwei (#1811)
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* Add sentinel_total_tilt to sentinel INFO sentinel by @carlosfu (#1904)
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* Add support for automatic client authentication via TLS certificate fields by @omanges (#1920)
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* Add --hotkeys-count option for valkey-cli by @hwware (#1933)
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* Introduce atomic slot migration by @murphyjacob4 (#1949)
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* Introduce MPTCP for replica by @pizhenwei (#1961)
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* Add DELIFEQ command by @LinusU (#1975)
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* Allow dynamic modification of io-threads num by @ayush933 (#2033)
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* Introduce HASH items expiration by @ranshid (#2089)
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* Add SAFE option to SHUTDOWN to reject shutdown in unsafe situations by @enjoy-binbin (#2195)
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* Support negative filtering for client command filters by @soloestoy (#2378)
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### New Configs
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* Auto-failover on shutdown unified config by @zuiderkwast (#2292)
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### Logging and Tooling Improvements
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* Add node pfail and fail count to cluster info metrics by @hpatro (#1910)
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* Introduce support for lttng based tracing by @artikell (#2070)
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### Performance/Efficiency Improvements
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* Optimize bitcount command by SIMD by @chzhoo (#1741)
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* Save RDB file to disk using a background thread on replica(s) (#1784)
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* Improve replication stability by prioritizing replication traffic in the replica by @xbasel (#1838)
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* Optimize hyperloglog commands with ARM NEON SIMD instructions by @xbasel (#1859)
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* Optimize BITCOUNT using ARM NEON SIMD by @xbasel (#1867)
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* Optimize string-to-integer performance using AVX512 by @zhulipeng (#1944)
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* Improve system responsiveness by limiting number of new cluster link connections per cycle by @hpatro (#2009)
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* Optimize hash table performance using SIMD by @zhulipeng (#2030)
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* Improve performance of network operations by directly writing responses to clients by @xbasel (#2078)
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* Allow shrinking hashtables in low memory situations by @Fusl (#2095)
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* Optimize string2ll with load-time CPU feature check using IFUNC resolver by @zhulipeng (#2099)
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* Optimize WATCH by equalStringObjects early length check by @vitahlin (#2107)
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* Optimize GEORADIUS command performance with pre-allocated buffer by @chzhoo (#2116)
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* Improve zcount performance by combing range element ranks calculation with range elements search to @SoftlyRaining (#2129)
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* Optimize scan/sscan/hscan/zscan commands by replacing list with vector by @chzhoo (#2160)
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### Cluster
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* Trigger manual failover on SIGTERM / shutdown to cluster primary by @enjoy-binbin (#1091)
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* Add CLUSTER FLUSHSLOT command by @wuranxx (#1384)
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* Allow replicas to become primaries without data by using CLUSTER REPLICATE NO ONE by @skolosov-snap (#1674)
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* Add cluster bus port out of range error message for CLUSTER MEET command by @hwware (#1686)
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* Add cluster-manual-failover-timeout to configure the timeout for manual failover by @enjoy-binbin (#1690)
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### Module
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* Add new module API flag to bypass command validation by @sungming2 (#1357)
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### Bug Fixes
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* Avoid shard id update of replica if it doesn't match with primary shard id by @hpatro (#573)
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* Change "Redis ver." to "Valkey ver." in LOLWUT output by @sarthakaggarwal97 (#1559)
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* Fix temp file leak during replication error handling by @enjoy-binbin (#1721)
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* Fix raxRemove crash at memcpy() due to key size exceeds max Rax size by @VoletiRam (#1722)
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* Respect process umask when creating data files by @kronwerk (#1725)
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* Fix error "SSL routines::bad length" when connTLSWrite is called second time with smaller buffer by @zori-janea (#1737)
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* cmd's out bytes need count deferred reply by @soloestoy (#1760)
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* Enable TCP_NODELAY by default in incoming and outgoing connections by @sungming2 (#1763)
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* Ignore stale gossip packets that arrive out of order by @enjoy-binbin (#1777)
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* Remove unicode optimization in Lua cjson library by @rjd15372 (#1785)
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* Save config file and broadcast PONG message on configEpoch change by @enjoy-binbin (#1813)
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* Fix engine crash on module client blocking during keyspace events by @yairgott (#1819)
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* Fix bug where invalidation messages were getting sent to closing clients by @madolson (#1823)
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* Fix ACL LOAD crash on replica since the primary client don't has a user by @bogdanp05 (#1842)
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* Fix RANDOMKEY infinite loop during CLIENT PAUSE by @li-benson (#1850)
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* Improve clarity of errors for GEO commands when member does not exist by @chx9 (#1943)
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* Fix panic in primary when blocking shutdown after previous block with timeout by @murphyjacob4 (#1948)
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* fix cluster slot stats assertion during promotion of replica by @Fusl (#1950)
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* Fix incorrect lag reported in XINFO GROUPS by @nesty92 (#1952)
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* Fix crash during TLS handshake with I/O threads by @uriyage (#1955)
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* Disallow sending REPLY ON / OFF / SKIP inside a multi-exec transaction by @sarthakaggarwal97 (#1966)
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* Fix random element in skewed sparse hash table by @zuiderkwast (#2085)
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* Allow mixing quoted and unquoted inline args by @Fusl (#2098)
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* Only mark the client reprocessing flag when unblocked on keys by @ranshid (#2109)
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* CLIENT UNBLOCK should't be able to unpause paused clients by @enjoy-binbin (#2117)
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* Fix memory corruption in sharded pubsub unsubscribe by @uriyage (#2137)
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* Detect SSL_new() returning NULL in outgoing connections by @zuiderkwast (#2140)
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* Correctly handle large cluster bus extensions which may have resulted in dropped cluster packets by @madolson (#2144)
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* Converge divergent shard-id persisted in nodes.conf to primary's shard ID by @hpatro (#2174)
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* Fix replica can't finish failover when config epoch is outdated by @enjoy-binbin (#2178)
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* Fix CLUSTER SLOTS/NODES showing wrong port after updating port/tls-port by @enjoy-binbin (#2186)
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* Fix use-after-free when active expiration triggers hashtable to shrink by @gusakovy (#2257)
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* Redact user data when a module crashes for not handling I/O errors enabled by @YueTang-Vanessa (#2274)
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* Generate a new shard_id when the replica executes CLUSTER RESET SOFT by @enjoy-binbin (#2283)
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* Fix missing response when AUTH returns an error inside a transaction by @enjoy-binbin (#2287)
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* Fix memory leak when shrinking a hashtable without entries by @yzc-yzc (#2288)
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* Fix MEMORY USAGE to consider embedded keys by @yulazariy (#2290)
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* Fix replicas claiming to still have slots after manual failover by @enjoy-binbin (#2301)
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* Prevent bad memory access when NOTOUCH client gets unblocked by @uriyage (#2347)
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* Fix large allocations crashing Valkey during active defrag by @Fusl (#2353)
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### Build and Tooling
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* Support for RDB analysis reports by @artikell (#1743)
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* Implement RPS control for valkey-benchmark by @artikell (#1761)
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* valkey-cli: ensure output ends with a newline if missing when printing reply by @xbasel (#1782)
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* Drop lua object files on clean by @secwall (#1812)
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* Check both arm64 and aarch64 for ARM based system architecture by @eifrah-aws (#1829)
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* Add --sequential option to valkey-benchmark to support populating entire keyspace by @SoftlyRaining (#1839)
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* Support environment variable VALKEYCLI_AUTH alongside REDISCLI_AUTH in valkey-cli by @HiranmoyChowdhury (#1995)
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* Add MGET test to valkey-benchmark by @zuiderkwast (#2015)
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* Add support to send multiple arbitrary commands to valkey-benchmark by @zuiderkwast (#2057)
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* Support RDMA for valkey-cli and benchmark by @pizhenwei (#2059)
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* Support MPTCP for valkey-cli and benchmark by @pizhenwei (#2067)
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* Allow valkey-benchmark to support multiple random (or sequential) placeholders by @SoftlyRaining (#2102)
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* Change default values of valkey-cli to use valkey naming, and added fallback to old values by @avifenesh (#2334)
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* Fix duplicate Acks for RDMA events and fix extremely large max latency for RDMA benchmark (#2430)
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### Behavior Change
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* Move auth check to the front, before command exist/arity/protected check by @enjoy-binbin (#1475)
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* Include command fullname in error message when returning errors in multi-execs by @enjoy-binbin (#2286)
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* Add STALE command flag to SCRIPT-EXISTS, SCRIPT-SHOW and SCRIPT-FLUSH by @enjoy-binbin (#2419)
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### Contributors
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* Ran Shidlansik @ranshid
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* Binbin @enjoy-binbin
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* Jacob Murphy @murphyjacob4
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* Madelyn Olson @madolson
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* YueTang-Vanessa @YueTang-Vanessa
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* cxljs @cxljs
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* Sarthak Aggarwal @sarthakaggarwal97
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* amanosme @amanosme
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* Hanxi Zhang @hanxizh9910
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* Seungmin Lee @sungming2
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* uriyage @uriyage
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* Katie Holly @Fusl
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* Nicky-2000 @Nicky-2000
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* Allen Samuels @allenss-amazon
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* yzc-yzc @yzc-yzc
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* zhaozhao.zz @soloestoy
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* asagegeLiu @asagege
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* nitaicaro @nitaicaro
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* Matthew @utdrmac
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* Omkar Mestry @omanges
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* Viktor Söderqvist @zuiderkwast
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* kukey @kukey
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* Harkrishn Patro @hpatro
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* Avi Fenesh @avifenesh
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* Amit Nagler @naglera
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* Josh Soref @jsoref
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* youngmore1024 @youngmore1024
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* Rain Valentine @SoftlyRaining
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* skyfirelee @artikell
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* Wen Hui @hwware
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* yulazariy @yulazariy
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* Yakov Gusakov @gusakovy
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* charsyam @charsyam
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* Simon Baatz @gmbnomis
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* Thalia Archibald @thaliaarchi
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* chzhoo @chzhoo
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* xbasel @xbasel
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* Stav Ben-Tov @stav-bentov
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* wuranxx @wuranxx
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* Ayush Sharma @ayush933
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* chx9 @chx9
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* KarthikSubbarao @KarthikSubbarao
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* Hüseyin Açacak @huseyinacacak-janea
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* アンドリー・アンドリ @odaysec
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* Ping Xie @PingXie
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* Lipeng Zhu @zhulipeng
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* Linus Unnebäck @LinusU
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* Vitah Lin @vitahlin
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* kronwerk @kronwerk
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* Vadym Khoptynets @poiuj
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* muelstefamzn @muelstefamzn
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* zhenwei pi @pizhenwei
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* George Padron @DoozkuV
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* Björn Svensson @bjosv
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* aradz44 @aradz44
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* Hiranmoy Das Chowdhury @HiranmoyChowdhury
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* Yair Gottdenker @yairgott
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* Roshan Khatri @roshkhatri
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* nesty92 @nesty92
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* carlosfu @carlosfu
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* Arthur Lee @arthurkiller
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* Shai Zarka @zarkash-aws
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* Sergey Kolosov @skolosov-snap
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* Nathan Scott @natoscott
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* lucasyonge @lucasyonge
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* WelongZuo @WelongZuo
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* Jim Brunner @JimB123
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* jeon1226 @jeon1226
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* Benson-li @li-benson
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* Meinhard Zhou @MeinhardZhou
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* Nikhil Manglore @Nikhil-Manglore
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* Bogdan Petre @bogdanp05
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* eifrah-aws @eifrah-aws
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* Ricardo Dias @rjd15372
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* secwall @secwall
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* Anastasia Alexandrova @nastena1606
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* Marek Zoremba @zori-janea
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* VoletiRam @VoletiRam
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@ -4,13 +4,13 @@
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* similar. */
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#define SERVER_NAME "valkey"
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#define SERVER_TITLE "Valkey"
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#define VALKEY_VERSION "255.255.255"
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#define VALKEY_VERSION_NUM 0x00ffffff
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#define VALKEY_VERSION "9.0.0"
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#define VALKEY_VERSION_NUM 0x00090000
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/* The release stage is used in order to provide release status information.
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* In unstable branch the status is always "dev".
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* During release process the status will be set to rc1,rc2...rcN.
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* When the version is released the status will be "ga". */
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#define VALKEY_RELEASE_STAGE "dev"
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#define VALKEY_RELEASE_STAGE "rc1"
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/* Redis OSS compatibility version, should never
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* exceed 7.2.x. */
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