# Revision history for bitcoin-scripting
## 0.3.0
* Adds ability to parse, compute, and verify checksums
## 0.2.1
* Adds functions to specialize key family descriptors in output (and script) descriptors to a particular index
* Adds function for building a PSBT input
* Adds function for calculating various script fragments associated with a descriptor
## 0.2.0
* Refactors script descriptors module in order to make invalid descriptors unrepresentable.
* Adds utility functions to compile script descriptors and produce addresses from output descriptors.
## 0.1.0
First release