This usually takes no more than 30 minutes. With these upgrades, some code may no longer be compatible. If we announce an upgrade has taken place and your code stops working, you may need to research what changed between versions and rewrite the errant code. We do offer as many tools as possible to help troubleshoot code errors. The best being the error log produced by the webserver.
Chances are, a very helpful error is caught by the webserver and logged.
There has been a massive abuse of scripts and binaries that attack other computers and individuals on the internet stemming from our previous open policy on users being able to change modes on their own files. Turning off this ability cut the abuse drastically. This could take up to a few weeks. Submitting your site directly to them could speed up the process. If your homepage is called index.