Yesterday, Drupal 7.28 was released.
People rush to upgrade, knowing that there will be a tranche of bug-fixes that may resolve longstanding issues.
People hesitate to upgrade, because updating Drupal core is not as simple as we'd like.
Other times, the core update is a security release, and you can't afford to wait.
This does not need to be painful!!
Upgrading core in Drupal 7
You have probably read the official documentation on doing this. … Read more about Updating Drupal core with bash and drush