Source
2023 Performance Improvements
Search Optimization: Support for substring search in semi - structured data. (General Availability) Improves the performance of point lookup queries that use substring and regular expression functions against semi - structured data, including…
August 22-23, 2023 – 7.29 Release Notes (with behavior changes)
Snowflake now provides the hash of the query text in the views and table functions that provide historical data on queries. You can use the hash of the query text to identify, group, and analyze similar queries in the query history.
Uptime Report For Year 2023 - Snowflake hosted on AWS
A portion of the infrastructure used to distribute workloads across the underlying services layer exhausted its resources, causing new requests to fail.