- 2015.08.19 – Bootstrap 4 alpha 1
- 2015.12.08 – Bootstrap 4 alpha 2
- 2016.07.27 – Bootstrap 4 Alpha 3
The general development and release plan looks something like this:
- A few alpha releases while things are still in flux.
- Two beta releases after features and functionality are locked down to really test things out.
- Two release candidates (RCs) to really test things out closer to production environments.
- Then, the final release!