Update index.md (#229)

* Update index.md

* Update index.md

* Update index.md

download/index.md

@@ -91,6 +91,13 @@ You can find a [listing of all previous Redis releases](https://download.redis.i
 
 See the [release notes for 7.2.0-v6](https://github.com/redis-stack/redis-stack/releases/tag/v7.2.0-v6).
 
+### Older Redis Stack Versions
+
+Redis Stack 6.2.6 introduces many new features for Search and Query, including support for [wildcard queries](https://redis.io/docs/stack/search/reference/query_syntax/#wildcard-matching), multi-value indexing and querying, and more. This version also contains a new faster JSONPath, a new t-digest probabilistic data structure, new path-finding algorithms for Graph, support for gap filling for Time series, and other features and improvements.
+
+See the [release notes](https://github.com/redis-stack/redis-stack/releases/tag/v6.2.6-v10) for more information and download links.
+
+
 ### RedisInsight
 
 RedisInsight is a powerful tool for visualizing and optimizing data in Redis or Redis Stack. Read the latest [RedisInsight release notes](https://github.com/RedisInsight/RedisInsight/releases).