- [#4207](https://github.com/PowerDNS/pdns/pull/4207) Allow for multiple trust anchors per zone
- [#4242](https://github.com/PowerDNS/pdns/pull/4242) Fix compilation warning when building without Protobuf
+# PowerDNS Authoritative Server 4.0.1
+Released July 29th 2016
+
+This release fixes two small issues and adds a setting to limit AXFR and IXFR sizes, in response to [CVE-2016-6172](http://www.openwall.com/lists/oss-security/2016/07/06/4).
+
+## Bug fixes
+
+ - [#4126](https://github.com/PowerDNS/pdns/pull/4126) Wait for the connection to the carbon server to be established
+ - [#4206](https://github.com/PowerDNS/pdns/pull/4206) Don't try to deallocate empty PG statements
+ - [#4245](https://github.com/PowerDNS/pdns/pull/4245) Send the correct response when queried for an NSEC directly (Kees Monshouwer)
+ - [#4255](https://github.com/PowerDNS/pdns/pull/4255) Catch runtime_error when parsing a broken MNAME
+
+## Improvements
+
+ - [#4044](https://github.com/PowerDNS/pdns/pull/4044) Make DNSPacket return a ComboAddredd for local and remote (Aki Tuomi)
+ - [#4056](https://github.com/PowerDNS/pdns/pull/4056) OpenSSL 1.1.0 support (Christian Hofstaedtler)
+ - [#4169](https://github.com/PowerDNS/pdns/pull/4169) Fix typos in a logmessage and exception (Christian Hofsteadtler)
+ - [#4183](https://github.com/PowerDNS/pdns/pull/4183) pdnsutil: Remove checking of ctime and always diff the changes (Hannu Ylitalo)
+ - [#4192](https://github.com/PowerDNS/pdns/pull/4192) dnsreplay: Only add Client Subnet stamp when asked
+ - [#4250](https://github.com/PowerDNS/pdns/pull/4250) Use toLogString() for ringAccount (Kees Monshouwer)
+
+## Additions
+
+ - [#4133](https://github.com/PowerDNS/pdns/pull/4133) Add limits to the size of received {A,I}XFR
+ - [#4142](https://github.com/PowerDNS/pdns/pull/4142) Add used filedescriptor statistic (Kees Monshouwer)
+
# PowerDNS Recursor 4.0.0
Released July 11th 2016