Sysrepo

Sysrepo version 1.3.21 features the following improvements:
- complete rewrite of *sysrepo* version 0.7.x
- API mostly kept the same, changes and hints on how to migrate your applications described in the README
- huge number of improvements in general functionality, covered and working use-cases, and behavior, please refer to documentation for details
- performance greatly improved
- new features include but are not limited to
- `operational` datastore (NMDA) support
- `startup` and `candidate` data change subscriber support
- push state (operational) data support
- multiple RPC/action subscribers

This release depends on libyang ([v1.0.109](https://github.com/CESNET/libyang/releases/tag/v1.0.109))

Sysrepo version 0.7.9 features following improvements:
- several various bugfixes

This release depends on libyang ([v1.0-r3](https://github.com/CESNET/libyang/releases/tag/v1.0-r3)) and is probably **the last release** of version 0.7.x.

Sysrepo version 0.7.8 features following improvements:
- many bugfixes in several parts of the library

This release depends on libyang ([v1.0-r3](https://github.com/CESNET/libyang/releases/tag/v1.0-r3))

Sysrepo version 0.7.7 features following improvements:
- added `original_xpath` parameter for state data provider callbacks to allow for higher efficiency
- Java bindings improvements
- make `uninstall` and `uninstall_with_repo` targets
- a few other minor fixes

This release depends on libyang ([v0.16-r2](https://github.com/CESNET/libyang/releases/tag/v0.16-r2))

Sysrepo version 0.7.6 features following improvements:
- libyang `when` validation behavior and flag fixed and changed
- auto-conversion of internal data files from different formats than the currently-set
- C++ bindings fixes and updates
- other minor fixes and changes

This release depends on libyang ([v0.16-r2](https://github.com/CESNET/libyang/releases/tag/v0.16-r2))

Sysrepo version 0.7.5 features following improvements:
- libyang binary format LYB used as default for YANG data files
- can be changed by *cmake* variable `FILE_FORMAT_EXT`
- operational data callbacks have new parameter `request_id`
- can be used to track requests and guarantee state data consistency
- persist data applied in all cases
- language bindings updates and fixes
- complex identity module dependencies fixed
- many bugfixes and minor improvements

This release depends on libyang ([v0.16-r1](https://github.com/CESNET/libyang/releases/tag/v0.16-r1))