Update website/docs/docs/dbt-versions/core-upgrade/06-upgrading-to-v1…

….9.md

website/docs/docs/dbt-versions/core-upgrade/06-upgrading-to-v1.9.md

@@ -47,7 +47,12 @@ Starting in Core 1.9, you can use the new microbatch strategy to optimize your l
 While microbatch is in "beta", this functionality is still gated behind an env var, which will change to a behavior flag when 1.9 is GA. To use microbatch:
 
 - Set `DBT_EXPERIMENTAL_MICROBATCH` to `true` in your project
+Currently microbatch is supported on these adapters with more to come:
 
+• postgres
+• snowflake
+• bigquery
+• spark
 ### Snapshots improvements
 
 Beginning in dbt Core 1.9, we've streamlined snapshot configuration and added a handful of new configurations to make dbt **snapshots easier to configure, run, and customize.** These improvements include: