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A few small copy edits and typo fixes for RS 8 release notes, added customer-managed INE certs to new features, copied updated description and highlights to RS 8 index page
description: Redis Open Source 8.0 and 8.2 features. Lag-aware availability API. Redis Flex GA. Metrics stream engine GA. Module management enhancements. New REST API fields for database and cluster configuration.
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description: Redis Software 8! The most performant, most secure, and richest version so far. Built for performance, scale, and reliability to power modern ML and AI applications.
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hideListLinks: true
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linkTitle: 8.0.x releases
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toc: 'true'
@@ -19,18 +19,26 @@ weight: 67
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This version offers:
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- Redis Open Source 8.0 and 8.2 features
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- Redis 8.0 and 8.2 feature set versions
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- Lag-aware availability API
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- Performance improvements and memory reduction
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- New vector set data structure
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- Redis Flex revamped engine
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- Redis Flex GA
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- Redis Query Engine upgrades
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- Metrics stream engine GA
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- Lag-aware availability API
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- Metrics stream engine (General Availability)
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-Module management enhancements
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-Simplified module management
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- New REST API fields for database and cluster configuration
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- Customer-managed certificates for internode encryption
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## Detailed release notes
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For more detailed release notes, select a build version from the following table:
description: Redis Software 8! The most performant, most secure and richest version so far. Built for performance, scale, reliability to power modern ML and AI applications.
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description: Redis Software 8! The most performant, most secure, and richest version so far. Built for performance, scale, and reliability to power modern ML and AI applications.
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linkTitle: 8.0.2-17 (October 2025)
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weight: 90
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---
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- Performance improvements and memory reduction
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- New Vector Set data structure
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- New vector set data structure
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- Redis Flex revamped engine
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- New REST API fields for database and cluster configuration
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- Customer-Managed Certificates for internode encryption
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- Customer-managed certificates for internode encryption
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## New in this release
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@@ -87,7 +87,7 @@ Redis 8.0 and 8.2 feature sets are now available when you [create]({{<relref "/o
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- See [What's new in Redis 8.2]({{<relref "/develop/whats-new/8-2">}}) and [Redis Open Source 8.2 release notes]({{<relref "/operate/oss_and_stack/stack-with-enterprise/release-notes/redisce/redisos-8.2-release-notes">}}) for more details.
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#### Builtin capabilities with Redis 8
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#### Built-in capabilities with Redis 8
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Redis Enterprise Software databases created with or upgraded to Redis version 8 include all the Redis capabilities, built in the database version as follows:
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#### Performance improvements and memory reduction
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- More than 30 performance and resource utilization and and memory footprint improvements.
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- More than 30 performance, resource utilization, and memory footprint improvements.
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- An improved replication mechanism that is more performant (faster) and robust and saves up to 35% memory during replication.
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- Up to 87% lower command latency.
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- Redis Query Engine (RQE) – Up to 144% higher QPS, new vector compression.
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- Redis Query Engine (RQE): Up to 144% higher QPS and new vector compression.
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#### Redis Flex revamped engine
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Redis Flex is getting a revamped engine. With performance improvements, increased stability, and removing previous limitations around RAM utilization.
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Redis Flex is getting a revamped engine with performance improvements, increased stability, and the removal of previous limitations around RAM utilization.
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Redis Flex now offloads also the least used keys with their values, allowing more hot data to be stored in RAM. This increases performance for most realworld use cases.
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Redis Flex now offloads the least used keys with their values, allowing more hot data to be stored in RAM. This increases performance for most real-world use cases.
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Past limitations requiring minimum RAM allocation to store all the database's keys are no more relevant. Allowing more flexibility and higher resource utilization.
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Past limitations requiring minimum RAM allocation to store all the database's keys are no longer relevant, allowing more flexibility and higher resource utilization.
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- Databases with Redis version 8.2 and later (newly created or upgraded to those versions) automatically use the new Redis Flex engine.
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- Databases with Redis version 7.4 and earlier will continue to run on previous engine.
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- Databases with Redis version 7.4 and earlier will continue to run on the previous engine.
The [database availability API]({{<relref "/operate/rs/references/rest-api/requests/bdbs/availability">}}) now supports lag-aware availability checks that consider replication lag tolerance.
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For more details, see [Check database availability for monitoring and load balancers]({{<relref "/operate/rs/monitoring/db-availability">}}).
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#### Metrics stream engine GA
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The [metrics stream engine]({{<relref "/operate/rs/monitoring/metrics_stream_engine">}}) is now generally available:
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- See [Best practices for monitoring]({{<relref "/operate/rs/monitoring/metrics_stream_engine#best-practices-for-monitoring">}}) for a list of recommended metrics to monitor.
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#### Customer-managed certificates for internode encryption
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Instead of using Redis Enterprise Software's self-signed certificates for internode encryption, you can provide certificates generated by your Certificate Authority (CA). See [Customer-provided certificates ]({{<relref "/operate/rs/security/encryption/internode-encryption#customer-provided-certificates">}}) for details.
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