On Thu, Jan 5, 2012 at 2:40 PM, SKempf
<[email protected]> wrote:

> I would like to hear anyone's thoughts on upgrading from 4.8 or if
> there might be a better way that we could approach these issues.

The biggest issue I know about is break in compatibility between @file
formats.  Starting with Leo 4.5, Leo can not read files written by Leo
3.x.  If you try, you will get this error message::

    can not read 3.x derived file <file name>
    you may upgrade these file using Leo 4.0 through 4.4.x

You are safe if you can read all your external files with Leo 4.8.

Other than that, I would suggest using one of the recent nightly
builds.  There are no *new* bugs in those builds, and substantially
fewer old bugs.

Having said that, there is always the chance that you will find
serious upgrade issues.  I will be happy to fix any that appear.  Such
bugs will have the highest (critical) priority.

Edward

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