And whilst I concur the idea of altering the timeout of sickle is a good thing, lets be honest we are only seeing a few (even here) people seeing it as an issue - and I will be willing to bet these are people on the unusual end of Kobo usage - i.e large files, or large numbers of files.
Software development is a huge task, and any update on any device will always throw out new issues.
The only bug free software is 'Hello, World' and thats arguable