diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0403f31cc8cc..dde1cc279744 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -5,7 +5,7 @@
   "google-ads-ad_manager-v1+FILLER": "0.0.0",
   "google-ads-data_manager": "0.3.0",
   "google-ads-data_manager+FILLER": "0.0.0",
-  "google-ads-data_manager-v1": "0.2.0",
+  "google-ads-data_manager-v1": "0.3.0",
   "google-ads-data_manager-v1+FILLER": "0.0.0",
   "google-ads-marketing_platform-admin": "0.2.0",
   "google-ads-marketing_platform-admin+FILLER": "0.0.0",
diff --git a/google-ads-data_manager-v1/CHANGELOG.md b/google-ads-data_manager-v1/CHANGELOG.md
index 8c3be4972879..c18412db646c 100644
--- a/google-ads-data_manager-v1/CHANGELOG.md
+++ b/google-ads-data_manager-v1/CHANGELOG.md
@@ -1,5 +1,62 @@
 # Changelog
 
+### 0.3.0 (2026-05-03)
+
+### ⚠ BREAKING CHANGES
+
+* update publisher_name in PairIdInfo to be required
+* update match_rate_percentage in PairIdInfo to be required
+* feat: update advertiser_identifier_count in PairIdInfo to be optional
+* changed `conversion_value` field to be optional in message `Event`
+
+#### Features
+
+* add `AgeRange` and `Gender` enums to support demographic breakdown in marketing insights 
+* add `GOOGLE_AD_MANAGER_AUDIENCE_LINK` to the `AccountType` enum 
+* add `IngestPpidDataStatus` to `IngestAudienceMembersStatus` to report the status of PPID data ingestion 
+* add `IngestUserIdDataStatus` to `IngestAudienceMembersStatus` to report the status of user ID data ingestion 
+* add `MarketingDataInsightsService` for retrieving marketing data insights for a given user list 
+* add `PartnerLink` resource 
+* add `PartnerLinkService` for creating and managing links between advertiser and data partner accounts 
+* add `PpidData` to `AudienceMember` to support Publisher Provided ID (PPID) in audience member ingestion 
+* add `RemovePpidDataStatus` to `RemoveAudienceMembersStatus` to report the status of PPID data removal 
+* add `RemoveUserIdDataStatus` to `RemoveAudienceMembersStatus` to report the status of user ID data removal 
+* add `UserIdData` to `AudienceMember` to support User ID in audience member ingestion 
+* add `UserList` resource 
+* add `UserListDirectLicense` resource 
+* add `UserListDirectLicenseService` for creating and managing direct user list licenses 
+* add `UserListGlobalLicense` resource 
+* add `UserListGlobalLicenseCustomerInfo` resource 
+* add `UserListGlobalLicenseService` for creating and managing global user list licenses 
+* add `UserListService` for creating and managing user lists 
+* add EU_POLITICAL_ADVERTISING_DECLARATION_REQUIRED to the ErrorReason enum for campaigns missing the EU political advertising declaration 
+* add INVALID_MERCHANT_ID to the ErrorReason enum for when the merchant_id field is not valid 
+* Add irb as explicit dependency for Ruby 4.0 compatibility 
+* add new `ErrorReason` values for licensing, user list operations, and permission checks 
+* deprecate INVALID_COUNTRY_CODE and add MEMBERSHIP_DURATION_TOO_LONG to the ErrorReason enum 
+* publish client batch config schema 
+* publish new error reasons 
+* Update minimum Ruby to v3.2 and required dependencies for Ruby v4.0 
+* upgrade protobuf from v25.7 to v31.0 
+#### Bug Fixes
+
+* changed `conversion_value` field to be optional in message `Event` 
+* feat: update advertiser_identifier_count in PairIdInfo to be optional 
+* update match_rate_percentage in PairIdInfo to be required 
+* update publisher_name in PairIdInfo to be required 
+#### Documentation
+
+* a comment for enum `ErrorReason` is changed to clarify that it is subject to future additions 
+* a comment for field `pair_data` in message `AudienceMember` is changed to clarify it is only available to data partners 
+* a comment for message `PairData` is changed to clarify it is only available to data partners 
+* add comments to resources and methods to clarify which are available only to data partners 
+* describe additional URI format for kek_uri in GcpEncryptionInfo and AwsKmsEncryptionInfo 
+* fix documentation formatting 
+* update filter field documentation to clarify case requirements and improve examples 
+* update license year 
+* update SelectiveGapicGeneration usage doc ([#32407](https://github.com/googleapis/google-cloud-ruby/issues/32407)) 
+* update various comments 
+
 ### 0.2.0 (2025-11-11)
 
 #### Features
diff --git a/google-ads-data_manager-v1/lib/google/ads/data_manager/v1/version.rb b/google-ads-data_manager-v1/lib/google/ads/data_manager/v1/version.rb
index 892888c11c44..68c22c4248d6 100644
--- a/google-ads-data_manager-v1/lib/google/ads/data_manager/v1/version.rb
+++ b/google-ads-data_manager-v1/lib/google/ads/data_manager/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Ads
     module DataManager
       module V1
-        VERSION = "0.2.0"
+        VERSION = "0.3.0"
       end
     end
   end
diff --git a/google-ads-data_manager-v1/snippets/snippet_metadata_google.ads.datamanager.v1.json b/google-ads-data_manager-v1/snippets/snippet_metadata_google.ads.datamanager.v1.json
index 61bf3a28143e..33e0ea2c5650 100644
--- a/google-ads-data_manager-v1/snippets/snippet_metadata_google.ads.datamanager.v1.json
+++ b/google-ads-data_manager-v1/snippets/snippet_metadata_google.ads.datamanager.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-ads-data_manager-v1",
-    "version": "0.2.0",
+    "version": "0.3.0",
     "language": "RUBY",
     "apis": [
       {