# Release Notes v0.16.2 : Transition to C++17

With this release, the codebase transitions to C++17,
requiring more modern compilers (gcc 7, clang 5) and dependencies.


## Minor Changes

- Transition to C++17 (#250)
- Replace header guards w/ '#pragma once' (#253)
- Replace Nose w/ Pytest (#252)
- Replace GoogleTest w/ Catch2 (#251)


## Removed Features

- Non-MEF, API-only random deviates (use STL or Boost ``random`` directly).


## Since v0.16.1

80 commits resulted in 193 files changed, 3321 insertions(+), 4040 deletions(-)

- Core: 96 files changed, 1061 insertions(+), 1613 deletions(-)
- Scripts: 1 file changed, 111 insertions(+), 88 deletions(-)
- GUI: 39 files changed, 240 insertions(+), 443 deletions(-)
- Tests: 40 files changed, 1724 insertions(+), 1727 deletions(-)
- Documentation: 4 files changed, 41 insertions(+), 61 deletions(-)
- Schemas: No change
