Make sure you're using the latest version of Velocity before reporting a bug.
If you are asking for help please use StackOverflow as the issue tracker is for bugs and suggestions: https://stackoverflow.com/questions/tagged/velocity.js
Unless you're reporting an obvious bug that can be immediately recreated by anyone, please create a demo with the minimum amount of code necessary to reproduce your bug. You can use this template, which already has Velocity and its UI pack included: https://jsfiddle.net/mqv9L27u/.
Pull requests for fixes and new features are often accepted, but feel free to open an issue first if you're unsure of the reception. All code submitted becomes part of VelocityJS and gets covered by its license (https://github.com/julianshapiro/velocity/blob/master/LICENSE.md).
Please skim the FAQ before asking questions: https://github.com/julianshapiro/velocity/issues/47.