# Summary of changes in STIR release 5.0

This version is 95% backwards compatible with STIR 4.0 for the user (see below). Developers might need to make code changes as detailed below.

## Overall summary

Of course, there is also the usual code-cleanup and improvements to the documentation.

This release contains mainly code written by Kris Thielemans (UCL) and Richard Brown (UCL).

## Patch release info

- 5.0.0 released ?/?/2020

## Summary for end users (also to be read by developers)

### Changes breaking backwards compatibility from a user-perspective

### Bug fixes

### New functionality

### Changed functionality

### Build system

### Known problems

### Minor bug fixes

### Documentation changes

- Added documentation on new features
- Also check the wiki in addition to the provided PDFs.

### recon_test_pack changes

- updated version number and added some clarification to the README.txt

### Other changes to tests

## What's new for developers (aside from what should be obvious from the above):

### Major bugs fixed

- see above

### Backward incompatibities

### New functionality

### Other code changes