Create 1.8.0-upgrade-guide.html.markdown (#1021)

Author: Zuhairahmed

website/docs/guides/1.8.0-upgrade-guide.html.markdown

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+---
+layout: "mongodbatlas"
+page_title: "MongoDB Atlas Provider 1.8.0: Upgrade and Information Guide"
+sidebar_current: "docs-mongodbatlas-guides-180-upgrade-guide"
+description: |-
+MongoDB Atlas Provider 1.8.0: Upgrade and Information Guide
+---
+
+# MongoDB Atlas Provider 1.8.0: Upgrade and Information Guide
+
+The Terraform MongoDB Atlas Provider version 1.8.0 has a number of new and exciting features and changes.
+
+**Major Enhancements:**
+* The HashiCorp Terraform MongoDB Atlas Provider now supports [Snapshot Distribution](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/cloud_backup_schedule) 
+  * To learn more about this feature see here: https://www.mongodb.com/blog/post/introducing-snapshot-distribution-atlas   
+* The HashiCorp Terraform MongoDB Atlas Provider now allows users to [Programmatically Create API Keys](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/api_key) 
+  * To learn more about this feature see here: https://www.mongodb.com/docs/atlas/reference/api-resources-spec/#tag/Programmatic-API-Keys
+  *  **IMPORTANT WARNING:**  Creating, Reading, Updating, or Deleting Atlas API Keys may expose sensitive organizational secrets to Terraform State. Consider storing sensitive API Key secrets instead via the [HashiCorp Vault MongoDB Atlas Secrets Engine](https://developer.hashicorp.com/vault/docs/secrets/mongodbatlas). 
+
+
+**Depreciations:**
+* [`cloud_provider_snapshot`](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/cloud_provider_snapshot), [`cloud_provider_snapshot_backup_policy`](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/cloud_provider_snapshot_backup_policy), [`cloud_provider_snapshot_restore_job`](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/cloud_provider_snapshot_restore_job), and [`private_ip_mode`](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/private_ip_mode) are now deprecated and will be removed from codebase as of v1.9
+* NEW_RELIC and FLOWDOCK in [`third_party_integration`](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/third_party_integration#argument-reference) resource are now deprecated and will be removed from codebase as of v1.9 release 
+
+1.8.0 also includes general improvements and bug fixes. See the [CHANGELOG](https://github.com/mongodb/terraform-provider-mongodbatlas/blob/master/CHANGELOG.md) for more specific information.
+
+
+### Helpful Links
+
+* [Report bugs](https://github.com/mongodb/terraform-provider-mongodbatlas/issues)
+
+* [Request Features](https://feedback.mongodb.com/forums/924145-atlas?category_id=370723)
+
+* [Contact Support](https://docs.atlas.mongodb.com/support/) covered by MongoDB Atlas support plans, Developer and above.
+