diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27293b2..06146d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,7 +17,23 @@ open: **a second build under the same version goes under the already cut
 heading, not back under `Unreleased`.** Date the heading and add its compare link
 once the version tag exists.
 
-## [1.45]
+## [Unreleased]
+
+### Changed
+
+- The engine is odrcore 7.3.1, up from 7.2.2.
+- Scanned PDFs open faster and use less memory.
+
+### Fixed
+
+- A drag with the pen draws on a PDF page that has no mark yet, instead of
+  scrolling the page.
+- Selecting text in a PDF no longer jumps to the start or end of the page.
+- Some scanned PDFs no longer show a blank page.
+- Some PDFs that did not open now open, and some show the right letters instead
+  of empty boxes.
+
+## [1.45] - 2026-09-21
 
 ### Added
 
@@ -318,7 +334,8 @@ submitted.
 - An incorrect password is now reported as such instead of a generic failure.
 - Page handling and decryption fixes when opening protected documents.
 
-[Unreleased]: https://github.com/opendocument-app/OpenDocument.ios/compare/v1.44...HEAD
+[Unreleased]: https://github.com/opendocument-app/OpenDocument.ios/compare/v1.45...HEAD
+[1.45]: https://github.com/opendocument-app/OpenDocument.ios/compare/v1.44...v1.45
 [1.44]: https://github.com/opendocument-app/OpenDocument.ios/compare/v1.43...v1.44
 [1.43]: https://github.com/opendocument-app/OpenDocument.ios/compare/v1.42...v1.43
 [1.42]: https://github.com/opendocument-app/OpenDocument.ios/compare/v1.41...v1.42
diff --git a/OpenDocumentReader.xcodeproj/project.pbxproj b/OpenDocumentReader.xcodeproj/project.pbxproj
index 28a7549..9e919a2 100644
--- a/OpenDocumentReader.xcodeproj/project.pbxproj
+++ b/OpenDocumentReader.xcodeproj/project.pbxproj
@@ -830,7 +830,7 @@
 			repositoryURL = "https://github.com/opendocument-app/OpenDocument.core.git";
 			requirement = {
 				kind = upToNextMajorVersion;
-				minimumVersion = 7.2.2;
+				minimumVersion = 7.3.1;
 			};
 		};
 		AD584FCD41577C8CDEE974AA /* XCRemoteSwiftPackageReference "swift-package-manager-google-mobile-ads" */ = {
diff --git a/OpenDocumentReader.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/OpenDocumentReader.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index 62d5427..28826ff 100644
--- a/OpenDocumentReader.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/OpenDocumentReader.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -6,8 +6,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/opendocument-app/OpenDocument.core.git",
       "state" : {
-        "revision" : "c256685a77ff13d1af95821dfd0c041e3e5102ef",
-        "version" : "7.2.2"
+        "revision" : "f27b8746ad80c496ed1ea07c9b347069ffc4921e",
+        "version" : "7.3.1"
       }
     },
     {