This update for pdns-recursor to version 4.1.3 contains a number of bug fixes and improvements:

- Add a subtree option to the API cache flush endpoint
- Various internal improvements
- Bug fixes related to counters
- Respect the AXFR timeout while connecting to the RPZ
- Delay the loading of RPZ zones until the parsing is done to avoid a race condition

The following tracked build fixes are included:

- bsc#1089814: build issues with Boost 1.67.0