diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fe408f..f62b64d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ What changed in each version of the app, newest first. The format is
 [Semantic Versioning](https://semver.org/), and the file is kept by
 [cider](https://pub.dev/packages/cider): see "Versions" in docs/runbook.md.
 
-## [Unreleased]
+## [3.0.0] - 2026-10-10
 ### Added
 - On the web, notifications now arrive when OpenSplit isn't open, and tapping one opens the group.
 - On the web, OpenSplit tells you when an update is ready, and restarts into it when you choose.
@@ -37,6 +37,7 @@ What changed in each version of the app, newest first. The format is
 - Moving between Groups, Account and Settings fades from one to the next.
 - The Android launch screen shows the logo without a tile behind it.
 - Text on screen is no longer selectable, as in other apps. Invite links can still be copied.
+- Earlier versions of OpenSplit can no longer sync. Update to this one to keep your groups syncing.
 
 ### Fixed
 - Settling up with somebody and then removing them while offline no longer leaves the removal refused once you are back online.
@@ -73,6 +74,6 @@ What changed in each version of the app, newest first. The format is
 ### Added
 - The first build, to Play internal testing.
 
-[Unreleased]: https://github.com/eigeninteractive/opensplit/compare/v2.0.0...HEAD
+[3.0.0]: https://github.com/eigeninteractive/opensplit/compare/v2.0.0...v3.0.0
 [2.0.0]: https://github.com/eigeninteractive/opensplit/compare/v1.0.0...v2.0.0
 [1.0.0]: https://github.com/eigeninteractive/opensplit/releases/tag/v1.0.0
diff --git a/PRINCIPLES.md b/PRINCIPLES.md
index fa65cf9..50e1dfc 100644
--- a/PRINCIPLES.md
+++ b/PRINCIPLES.md
@@ -25,10 +25,10 @@ who you go with, and what you can afford. It is not a dataset.
 
 ### 4. No venture funding
 
-Splitwise did not paywall because its founders turned bad. It took money that
-mandated growth, growth mandated revenue, and revenue mandated extraction. The
-structure produced the outcome. Refusing that structure is the actual defence
-here; every other principle on this page is downstream of it.
+Apps like this one rarely start paywalling because their founders turn bad.
+Venture money mandates growth, growth mandates revenue, and revenue mandates
+extraction. The structure produces the outcome. Refusing that structure is the
+actual defence here; every other principle on this page is downstream of it.
 
 ### 5. You can always leave, and take everything with you
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 39d668e..9452139 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -7,7 +7,7 @@ publish_to: "none"
 # never by hand (see "Versions" in docs/runbook.md). There is no `+build`
 # here on purpose. The release workflow numbers every build itself, and a
 # number written here would only be a second, stale answer.
-version: 2.0.0
+version: 3.0.0
 
 environment:
   sdk: ^3.12.2