chore(v3): bump to v3.0.0-alpha.74 and update changelog [skip ci]

docs/src/content/docs/changelog.mdx

@@ -30,6 +30,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 */
 ## [Unreleased]
 
+## v3.0.0-alpha.74 - 2026-03-01
+
+## Added
+- Add support for modal sheets (macOS) 
+
+## Fixed
+- Fix system tray menu highlight state on macOS - icon now shows selected state when menu is open (#4910)
+- Fix system tray attached window appearing behind other windows on macOS - now uses proper popup window level (#4910)
+- Fix incorrect `@wailsio/runtime` import examples across documentation (#4989)
+
 ## v3.0.0-alpha.73 - 2026-02-27
 
 ## Fixed

v3/UNRELEASED_CHANGELOG.md

@@ -17,16 +17,12 @@ After processing, the content will be moved to the main changelog and this file
 
 ## Added
 <!-- New features, capabilities, or enhancements -->
-- Add support for modal sheets (macOS) 
 
 ## Changed
 <!-- Changes in existing functionality -->
 
 ## Fixed
 <!-- Bug fixes -->
-- Fix system tray menu highlight state on macOS - icon now shows selected state when menu is open (#4910)
-- Fix system tray attached window appearing behind other windows on macOS - now uses proper popup window level (#4910)
-- Fix incorrect `@wailsio/runtime` import examples across documentation (#4989)
 
 ## Deprecated
 <!-- Soon-to-be removed features -->

v3/internal/version/version.txt

@@ -1 +1 @@
-v3.0.0-alpha.73
+v3.0.0-alpha.74