edits

Author: stayseesong

src/connections/sources/catalog/cloud-apps/salesforce/index.md

@@ -8,6 +8,9 @@ id: 2baks93n
 
 Take your company's analysis to the next level by **adding Salesforce as a Source to Segment.** Segment automatically collects objects like `Accounts`, `Campaigns`, and `Tasks` and loads them into your data warehouse. 
 
+> info "Salesforce version upgrade to 58.0"
+> Segment's Salesforce source is currently running on version 39.0. On March 18, 2024, the Salesforce source will upgrade to use Salesforce's latest API version 58.0. See the [version upgrade changes] to learn more.
+
 ## Getting started
 > info ""
 > You can add multiple instances of this source if you have more than one Salesforce account. 
@@ -125,6 +128,23 @@ For Salesforce, Segment uses the `SystemModstamp`(system_modstamp) field to chec
 
 If you've added and selected custom fields to an existing collection and would not like to use `SystemModstamp` to bring in historical data, [contact Segment Support](https://segment.com/help/contact/){:target="_blank"} to configure them to sync. You do not need to include the field names.
 
+## Version upgrade changes
+On March 18, 2024, Segment will upgrade the Salesforce source integration from version 39.0 to Salesforce's latest API version 58.0. With the upgrade, there are [deleted and renamed fields](#deleted-and-renamed-fields) as well as [added fields](#added-fields). 
+
+> info ""
+> All new Salesforce sources created on or after March 18, 2024 will use version 58.0. If you want to opt-out of version 58 and stay on version 39, contact [email protected]
+
+### Deleted and renamed fields
+
+Case | Change
+---- | ------------
+Collections deleted | `AssistantRecommendationShare`, `AssistantRecommendation` are deprecated from v41.0.
+Fields deleted from collections | 
+
+
+### Added fields
+Salesforce version 58 has between 350 to 550 newly added collections and between 800 to 1000 new columns. To see which collections and fields you can access in Salesforce version 58, refer to the [API: New and Changed Items](https://help.salesforce.com/s/articleView?id=release-notes.rn_api_nc.htm&release=244&type=5){:target="_blank"}.
+
 
 ## Troubleshooting