This is the changelog for O2 Germany, Spain, and the UK. It seems to be 6mb. Mobile Hotspot is available to O2 Germany and UK users from the App Catalog.
Version information
Version: webOS 1.4.1
Release date: 31 March 2010
New applications
NONE
Feature changes to existing applications
App Catalog -You can now purchase and download apps that are for sale, in addition to downloading free apps.
Bluetooth -This release fixes an issue so that the phone now correctly connects with supported BMW car kits.
Camera -This release corrects a lag in the shutter sound when you take a picture.
-This release fixes an issue so that newly taken photos and videos do not overwrite existing ones.
Contacts -If you crop a picture before adding it to a contact, the picture appears cropped correctly in the contact entry.
-If you previously assigned either the Z or the B key as a speed dial, you can now continue to create speed dials.
Doc View -If you open a file and perform the back gesture, the app now returns to the file list screen.
-Pinching in/out to zoom out/in now works correctly.
Messaging -If you try to attach a video to an outgoing multimedia message, the list of available videos now displays only videos you recorded.
PDF View -If you open a file and perform the back gesture, the app now returns to the file list screen.
-Pinching in/out to zoom out/in now works correctly.
System -This release fixes an intermittent issue so that the volume slider no longer appears onscreen incorrectly.
-This release fixes an intermittent issue so that after the screen more reliably turns on after a single press of the power button.
Touchstone charging dock -When the phone is on a Touchstone charging dock, the screen now consistently turns off correctly (displaying the lock icon and the time) after the shut-off interval.
Videos -If you record a video, upload the video to YouTube, and send a link to the video via email, the email recipient can click the link and view the video. Previously, clicking the link displayed an error message.
-This release fixes an issue so that when you upload a video to YouTube, the file always includes both video and audio.
Web -The forward gesture now works correctly in the browser.