Whenever I start working with an object that contains 500+ nodes inkscape will crash and does not perform an autosave.  I also experience the same issue when I do a rapid succession of undos from the keyboard. Is this a known bug?  
<br><br>I&#39;m running 0.45.1 on windows xp with 660 MB of memory.&nbsp; Generally, don&#39;t have anything else open beside Firefox.&nbsp; <br>