Linked by Mike Bouma on Mon 22nd Aug 2005 09:11 UTC
Amiga & AROS Crisot has made available a new demonstration video (xvid avi mirror1|mirror2 MPEG1 mirror1|mirror2) showing the AmigaOS4-beta implementation of the unique AmigaOS feature, screen dragging. For recent user screenshots of the AmigaOS4 pre-release look here.
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In short, stability is much better and it's much harder to bring down the entire OS, but it's still possible...

I'm glad to read this, I look forward to the day I can do kill a task and not bring the entire thing down, not to mention crashes.

Mike mentioned the Grim Reaper, but I should mention it here too: When an application crashes, you can choose to continue running it(!), kill it, reboot or you can actually start debugging it, if you have the SDK and the sources to the application. You can also print out stack traces, memory dumps and debuginformation to send to the developer.

While it does contribute something to the stability to the entire OS, it's a boon for the developer to be catered this way. We didn't have this before and it makes it much easier to produce stable applications.

A screenshot of Grim Reaper in action:

Since OS4 still doesn't provide resource tracking, libraries and such AFAIK still aren't flushed automatically and through too much memory pollution, it's still necessary to reboot, but it's much harder to guru OS4.
I believe resource tracking is planned for later OS4 versions.

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> I believe resource tracking is planned for later OS4 versions.

Resource tracking has been in AmigaOS for a long time as well. It's disabled by default because some old programs still expect e.g. memory to be around after exit.

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