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DOC-5422, DOC-5365: update what's new section with 8.2 info and add release notes #1894

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@dwdougherty dwdougherty commented Jul 29, 2025

DOC-5422

The release notes were taken directly from redis/redis and copy-edited to align with our style guide.

The What's new document is net new and needs review by PM (@ViktarStarastsenka).

@dwdougherty dwdougherty self-assigned this Jul 29, 2025
@dwdougherty dwdougherty marked this pull request as draft July 29, 2025 16:35
@dwdougherty dwdougherty changed the title DEV: update what's new section with 8.2 info DOC-5422, DOC-5365: update what's new section with 8.2 info and add release notes Aug 11, 2025
@dwdougherty dwdougherty marked this pull request as ready for review August 11, 2025 14:25
@dwdougherty dwdougherty requested review from ViktarStarastsenka and a team August 11, 2025 14:26
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LGTM

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Thank you, @andy-stark-redis!

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ViktarStarastsenka commented Aug 11, 2025

Let's wait for a review from Bosmat please.

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I couldn't add Bosmat as a reviewer. Please ensure this gets reviewed quickly as the content is already overdue.

- [`XDELEX`]({{< relref "/commands/xdelex/" >}}): Delete entries from streams with advanced consumer group handling options.
- [`XACKDEL`]({{< relref "/commands/xackdel/" >}}): Acknowledge and delete stream entries in a single atomic operation.

These commands include `KEEPREF`, `DELREF`, and `ACKED` options that give you precise control over how consumer group references are handled during entry deletion. This simplifies common patterns where you need to clean up acknowledged entries while maintaining consumer group integrity.
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"while maintaining consumer group integrity"
please change to
"while working with multiple consumer groups"


These commands include `KEEPREF`, `DELREF`, and `ACKED` options that give you precise control over how consumer group references are handled during entry deletion. This simplifies common patterns where you need to clean up acknowledged entries while maintaining consumer group integrity.

The [`XADD`]({{< relref "/commands/xadd/" >}}) and [`XTRIM`]({{< relref "/commands/xtrim/" >}}) commands have also been extended with these same options, providing consistent behavior across all stream management operations.
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"all stream management operations"
please change to
"all commands that removes stream entries"

The new [`CLUSTER SLOT-STATS`]({{< relref "/commands/cluster-slot-stats/" >}}) command provides detailed per-slot usage metrics including:
- Key count per slot
- CPU time consumption
- Network I/O statistics
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"Network I/O statistics"
please change to
"Network ingress and egress"


### Vector search enhancements

Redis 8.2 introduces the SVS-VAMANA vector index type, which supports vector compression and is optimized for Intel machines. This new index type can significantly reduce memory usage while maintaining search performance for vector similarity operations.
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Please remove this paragraph.
We will have to remove this from OSS on 8.2.1 because it uses a intel library that is not compatible with AGPL.

- **ANDOR**: Combine AND and OR operations in a single command.
- **ONE**: Specialized operation for single-bit scenarios.

These new operators enable more complex bitmap analytics and can simplify operations that previously required multiple commands.
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"bitmap analytics"
please change to
"bitmap workflows"


## Security improvements

Redis 8.2 includes important security fixes:
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Shouldn't this section be on the top? (if sections are ordered by importance)

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