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+Knot DNS 2.7.6 (2019-01-23)
+===========================
+
+Improvements:
+-------------
+ - Zone status also shows when the zone load is scheduled
+ - Server workers status also shows background workers utilization
+ - Default control timeout for knotc was increased to 10 seconds
+ - Pkg-config files contain auxiliary variable with library filename
+
+Bugfixes:
+---------
+ - Configuration commit or server reload can drop some pending zone events
+ - Nonempty zone journal is created even though it's disabled #635
+ - Zone is completely re-signed during empty dynamic update processing
+ - Server can crash when storing a big zone difference to the journal
+ - Failed to link on FreeBSD 12 with Clang
+
+Knot DNS 2.7.5 (2019-01-07)
+===========================
+
+Features:
+---------
+ - Keymgr supports NSEC3 salt handling
+
+Improvements:
+-------------
+ - Zone history in journal is dropped apon AXFR-like zone update
+ - Libdnssec is no longer linked against libm #628
+ - Libdnssec is explicitly linked against libpthread if PKCS #11 enabled #629
+ - Better support for libknot packaging in Python
+ - Manually generated KSK is 'ready' by default
+ - Kdig supports '+timeout' as an alias for '+time'
+ - Kdig supports '+nocomments' option
+ - Kdig no longer prints empty lines between retries
+ - Kdig returns failure if operations not successfully resolved #632
+ - Fixed repeating of the 'KSK submission, waiting for confirmation' log
+ - Various improvements in documentation, Dockerfile, and tests
+
+Bugfixes:
+---------
+ - Knotc fails to unset huge configuration section
+ - Kjournalprint sometimes fails to display zone journal content
+ - Improper timing of ZSK removal during ZSK rollover
+ - Missing UTC time zone indication in the 'iso' keymgr list output
+ - A race condition in the online signing module
+
+Knot DNS 2.7.4 (2018-11-13)
+===========================
+
+Features:
+---------
+ - Added SNI configuration for TLS in kdig (Thanks to Alexander Schultz)
+
+Improvements:
+-------------
+ - Added warning log when DNSSEC events not successfully scheduled
+ - New semantic check on timer values in keymgr
+ - DS query no longer asks other addresses if got a negative answer
+ - Reintroduced 'rollover' configuration option for CDS/CDNSKEY publication
+ - Extended logging for zone loading
+ - Various documentation improvements
+
+Bugfixes:
+---------
+ - Failed to import module configuration #613
+ - Improper Cflags value in libknot.pc if built with embedded LMDB #615
+ - IXFR doesn't fall back to AXFR if malformed reply
+ - DNSSEC events not correctly scheduled for empty zone updates
+ - During algorithm rollover old keys get removed before DS TTL expires #617
+ - Maximum zone's RRSIG TTL not considered during algorithm rollover #620
+
+Knot DNS 2.7.3 (2018-10-11)
+===========================
+
+Features:
+---------
+ - New queryacl module for query access control
+ - Configurable answer rrset rotation #612
+ - Configurable NSEC bitmap in online signing
+
+Improvements:
+-------------
+ - Better error logging for KASP DB operations #601
+ - Some documentation improvements
+
+Bugfixes:
+---------
+ - Keymgr "list" output doesn't show key size for ECDSA algorithms #602
+ - Failed to link statically with embedded LMDB
+ - Configuration commit causes zone reload for all zones
+ - The statistics module overlooks TSIG record in a request
+ - Improper processing of an AXFR-style-IXFR response consisting of one-record messages
+ - Race condition in online signing during key rollover #600
+ - Server can crash if geoip module is enabled in the geo mode
+
+Knot DNS 2.7.2 (2018-08-29)
+===========================
+
+Improvements:
+-------------
+ - Keymgr list command displays also key size
+ - Kjournalprint displays total occupied size in the debug mode
+ - Server doesn't stop if failed to load a shared module from the module directory
+ - Libraries libcap-ng, pthread, and dl are linked selectively if needed
+
+Bugfixes:
+---------
+ - Sometimes incorrect result from dnssec_nsec_bitmap_contains (libdnssec)
+ - Server can crash when loading zone file difference and zone-in-journal is set
+ - Incorrect treatment of specific queries in the module RRL
+ - Failed to link module Cookies as a shared library
+
+Knot DNS 2.7.1 (2018-08-14)
+===========================
+
+Improvements:
+-------------
+ - Added zone wire size information to zone loading log message
+ - Added debug log message for each unsuccessful remote address operation
+ - Various improvements for packaging
+
+Bugfixes:
+---------
+ - Incompatible handling of RRSIG TTL value when creating a DNS message
+ - Incorrect RRSIG TTL value in zone differences and knotc zone operation outputs
+ - Default configure prefix is ignored
+
+Knot DNS 2.7.0 (2018-08-03)
+===========================
+
+Features:
+---------
+ - New DNS Cookies module and related '+cookie' kdig option
+ - New module for response tailoring according to client's subnet or geographic location
+ - General EDNS Client Subnet support in the server
+ - OSS-Fuzz integration (Thanks to Jonathan Foote)
+ - New '+ednsopt' kdig option (Thanks to Jan Včelák)
+ - Online Signing support for automatic key rollover
+ - Non-normal file (e.g. pipe) loading support in zscanner #542
+ - Automatic SOA serial incrementation if non-empty zone difference
+ - New zone file load option for ignoring zone file's SOA serial
+ - New build-time option for alternative malloc specification
+ - Structured logging for DNSSEC key submission event
+ - Empty QNAME support in kdig
+
+Improvements:
+-------------
+ - Various library and server optimizations
+ - Reduced memory consumption of outgoing IXFR processing
+ - Linux capabilities use overhaul #546 (Thanks to Robert Edmonds)
+ - Online Signing properly signs delegations and CNAME records
+ - CDS/CDNSKEY rrset is signed with KSK instead of ZSK
+ - DNSSEC-related records are ignored when loading zone difference with signing enabled
+ - Minimum allowed RSA key length was increased to 1024
+ - Removed explicit dependency on Nettle
+
+Bugfixes:
+---------
+ - Possible uninitialized address buffer use in zscanner
+ - Possible index overflow during multiline record parsing in zscanner
+ - kdig +tls sometimes consumes 100 % CPU #561
+ - Single-Type Signing doesn't work with single ZSK key #566
+ - Zone not flushed after re-signing during zone load #594
+ - Server crashes when committing empty zone transaction
+ - Incoming IXFR with on-slave signing sometimes leads to memory corruption #595
+
+Compatibility:
+--------------
+ - Removed obsolete RRL configuration
+ - Removed obsolete module names 'mod-online-sign' and 'mod-synth-record'
+ - Removed obsolete 'ixfr-from-differences' configuration option
+ - Removed old journal migration
+ - Removed module rosedb
+
+Knot DNS 2.6.9 (2018-08-14)
+===========================
+
+Improvements:
+-------------
+ - Added zone wire size to zone loading log message
+ - Added debug log message for each unsuccessful remote address operation
+
+Bugfixes:
+---------
+ - Zone not flushed after re-signing during zone load #594
+ - Server crashes when committing empty zone transaction
+ - Incoming IXFR with on-slave signing sometimes leads to memory corruption #595
+
+Knot DNS 2.6.8 (2018-07-10)
+===========================
+
+Features:
+---------
+ - New 'import-pkcs11' command in keymgr
+
+Improvements:
+-------------
+ - Unixtime serial policy mimics Bind – increment if lower #593
+
+Bugfixes:
+---------
+ - Creeping memory consuption upon server reload #584
+ - Kdig incorrectly detects QNAME if 'notify' is a prefix
+ - Server crashes when zone sign fails #587
+ - CSK->KZSK rollover retires CSK early #588
+ - Server crashes when zone expires during outgoing multi-message transfer
+ - Kjournalprint doesn't convert zone name argument to lower-case
+ - Cannot switch to a previously used ksk-shared dnssec policy #589
+
+Knot DNS 2.6.7 (2018-05-17)
+===========================
+
+Features:
+---------
+ - Added 'dateserial' (YYYYMMDDnn) serial policy configuration (Thanks to Wolfgang Jung)
+
+Improvements:
+-------------
+ - Trailing data indication from the packet parser (libknot)
+ - Better configuration check for a problematical option combination
+
+Bugfixes:
+---------
+ - Incomplete configuration option item name check
+ - Possible buffer overflow in 'knot_dname_to_str' (libknot)
+ - Module dnsproxy doesn't preserve letter case of QNAME
+ - Module dnsproxy duplicates OPT and TSIG in the non-fallback mode
+
+Knot DNS 2.6.6 (2018-04-11)
+===========================
+
+Features:
+---------
+ - New EDNS option counters in the statistics module
+ - New '+orphan' filter for the 'zone-purge' operation
+
+Improvements:
+-------------
+ - Reduced memory consuption of disabled statistics metrics
+ - Some spelling fixes (Thanks to Daniel Kahn Gillmor)
+ - Server no longer fails to start if MODULE_DIR doesn't exist
+ - Configuration include doesn't fail if empty wildcard match
+ - Added a configuration check for a problematical option combination
+
+Bugfixes:
+---------
+ - NSEC3 chain not re-created when SOA minimum TTL changed
+ - Failed to start server if no template is configured
+ - Possibly incorrect SOA serial upon changed zone reload with DNSSEC signing
+ - Inaccurate outgoing zone transfer size in the log message
+ - Invalid dname compression if empty question section
+ - Missing EDNS in EMALF responses
+
+Knot DNS 2.6.5 (2018-02-12)
+===========================
+
+Features:
+---------
+ - New 'zone-notify' command in knotc
+ - Kdig uses '@server' as a hostname for TLS authenticaion if '+tls-ca' is set
+
+Improvements:
+-------------
+ - Better heap memory trimming for zone operations
+ - Added proper polling for TLS operations in kdig
+ - Configuration export uses stdout as a default output
+ - Simplified detection of atomic operations
+ - Added '--disable-modules' configure option
+ - Small documentation updates
+
+Bugfixes:
+---------
+ - Zone retransfer doesn't work well if more masters configured
+ - Kdig can leak or double free memory in corner cases
+ - Inconsistent error outputs from dynamic configuration operations
+ - Failed to generate documentation on OpenBSD
+
+Knot DNS 2.6.4 (2018-01-02)
+===========================
+
+Features:
+---------
+ - Module synthrecord allows multiple 'network' specification
+ - New CSK handling support in keymgr
+
+Improvements:
+-------------
+ - Allowed configuration for infinite zsk lifetime
+ - Increased performance and security of the module synthrecord
+ - Signing changeset is stored into journal even if 'zonefile-load' is whole
+
+Bugfixes:
+---------
+ - Unintentional zone re-sign during reload if empty NSEC3 salt
+ - Inconsistent zone names in journald structured logs
+ - Malformed outgoing transfer for big zone with TSIG
+ - Some minor DNSSEC-related issues
+
+Knot DNS 2.6.3 (2017-11-24)
+===========================
+
+Bugfixes:
+---------
+ - Wrong detection of signing scheme rollover
+
+Knot DNS 2.6.2 (2017-11-23)
+===========================
+
+Features:
+---------
+ - CSK algorithm rollover and (KSK, ZSK) <-> CSK rollover support
+
+Improvements:
+-------------
+ - Allowed explicit configuration for infinite ksk lifetime
+ - Proper error messages instead of unclear error codes in server log
+ - Better support for old compilers
+
+Bugfixes:
+---------
+ - Unexpected reply for DS query with an owner below a delegation point
+ - Old dependencies in the pkg-config file
+
+Knot DNS 2.6.1 (2017-11-02)
+===========================
+
+Features:
+---------
+ - NSEC3 Opt-Out support in the DNSSEC signing
+ - New CDS/CDNSKEY publish configuration option
+
+Improvements:
+-------------
+ - Simplified DNSSEC log message with DNSKEY details
+ - +tls-hostname in kdig implies +tls-ca if neither +tls-ca nor +tls-pin is given
+ - New documentation sections for DNSSEC key rollovers and shared keys
+ - Keymgr no longer prints useless algorithm number for generated key
+ - Kdig prints unknown RCODE in a numeric format
+ - Better support for LLVM libFuzzer
+
+Bugfixes:
+---------
+ - Faulty DNAME semantic check if present in the zone apex and NSEC3 is used
+ - Immediate zone flush not scheduled during the zone load event
+ - Server crashes upon dynamic zone addition if a query module is loaded
+ - Kdig fails to connect over TLS due to SNI is set to server IP address
+ - Possible out-of-bounds memory access at the end of the input
+ - TCP Fast Open enabled by default in kdig breaks TLS connection
+
+Knot DNS 2.6.0 (2017-09-29)
+===========================
+
+Features:
+---------
+ - On-slave (inline) signing support
+ - Automatic DNSSEC key algorithm rollover
+ - Ed25519 algorithm support in DNSSEC (requires GnuTLS 3.6.0)
+ - New 'journal-content' and 'zonefile-load' configuration options
+ - keymgr tries to run as user/group set in the configuration
+ - Public-only DNSSEC key import into KASP DB via keymgr
+ - NSEC3 resalt and parent DS query events are persistent in timer DB
+ - New processing state for a response suppression within a query module
+ - Enabled server side TCP Fast Open if supported
+ - TCP Fast Open support in kdig
+
+Improvements:
+-------------
+ - Better record owner compression if related to the previous rdata dname
+ - NSEC(3) chain is no longer recomputed whole on every update
+ - Remove inconsistent and unnecessary quoting in log files
+ - Avoiding of overlapping key rollovers at a time
+ - More DNSSSEC-related semantic checks
+ - Extended timestamp format in keymgr
+
+Bugfixes:
+---------
+ - Incorrect journal free space computation causing inefficient space handling
+ - Interface-automatic broken on Linux in the presence of asymmetric routing
+
+Knot DNS 2.5.7 (2018-01-02)
+===========================
+
+Bugfixes:
+---------
+ - Unintentional zone re-sign during reload if empty NSEC3 salt
+ - Inconsistent zone names in journald structured logs
+ - Malformed outgoing transfer for big zone with TSIG
+ - Unexpected reply for DS query with an owner below a delegation point
+ - Old dependencies in the pkg-config file
+
+Knot DNS 2.5.6 (2017-11-02)
+===========================
+
+Improvements:
+-------------
+ - Keymgr no longer prints useless algorithm number for generated key
+
+Bugfixes:
+---------
+ - Faulty DNAME semantic check if present in the zone apex and NSEC3 is used
+ - Immediate zone flush not scheduled during the zone load event
+ - Server crashes upon dynamic zone addition if a query module is loaded
+ - Kdig fails to connect over TLS due to SNI is set to server IP address
+
+Knot DNS 2.5.5 (2017-09-29)
+===========================
+
+Improvements:
+-------------
+ - Constant time memory comparison in the TSIG processing
+ - Proper use of the ctype functions
+ - Generated RRSIG records have inception time 90 minutes in the past
+
+Bugfixes:
+---------
+ - Incorrect online signature for NSEC in the case of a CNAME record
+ - Incorrect timestamps in dnstap records
+ - EDNS Subnet Client validation rejects valid payloads
+ - Module configuration semantic checks are not executed
+ - Kzonecheck segfaults with unusual inputs
+
+Knot DNS 2.5.4 (2017-08-31)
+===========================
+
+Improvements:
+-------------
+ - New minimum and maximum refresh interval config options (Thanks to Manabu Sonoda)
+ - New warning when unforced flush with disabled zone file synchronization
+ - New 'dnskey' keymgr command
+ - Linking with libatomic on architectures that require it (Thanks to Pierre-Olivier Mercier)
+ - Removed 'OK' from listing keymgr command outputs
+ - Extended journal and keymgr documentation and logging
+
+Bugfixes:
+---------
+ - Incorrect handling of specific corner-cases with zone-in-journal
+ - The 'share' keymgr command doesn't work
+ - Server crashes if configured with query-size and reply-size statistics options
+ - Malformed big integer configuration values on some 32-bit platforms
+ - Keymgr uses local time when parsing date inputs
+ - Memory leak in kdig upon IXFR query
+
+Knot DNS 2.5.3 (2017-07-14)
+===========================
+
+Features:
+---------
+ - CSK rollover support for Single-Type Signing Scheme
+
+Improvements:
+-------------
+ - Allowed binding to non-local adresses for TCP (Thanks to Julian Brost!)
+ - New documentation section for manual DNSSEC key algorithm rollover
+ - Initial KSK also generated in the submission state
+ - The 'ds' keymgr command with no parameter uses all KSK keys
+ - New debug mode in kjournalprint
+ - Updated keymgr documentation
+
+Bugfixes:
+---------
+ - Sometimes missing RRSIG by KSK in submission state.
+ - Minor DNSSEC-related issues
+
+Knot DNS 2.5.2 (2017-06-23)
+===========================
+
+Security:
+---------
+ - CVE-2017-11104: Improper TSIG validity period check can allow TSIG forgery (Thanks to Synacktiv!)
+
+Improvements:
+-------------
+ - Extended debug logging for TSIG errors
+ - Better error message for unknown module section in the configuration
+ - Module documentation compilation no longer depends on module configuration
+ - Extended policy section configuration semantic checks
+ - Improved python version compatibility in pykeymgr
+ - Extended migration section in the documentation
+ - Improved DNSSEC event timing on 32-bit systems
+ - New KSK rollover start log info message
+ - NULL qtype support in kdig
+
+Bugfixes:
+---------
+ - Failed to process included configuration
+ - dnskey_ttl policy option in the configuration has no effect on DNSKEY TTL
+ - Corner case journal fixes (huge changesets, OpenWRT operation)
+ - Confusing event timestamps in knotc zone-status output
+ - NSEC/NSEC3 bitmap not updated for CDS/CDNSKEY
+ - CDS/CDNSKEY RRSIG not updated
+
+Knot DNS 2.5.1 (2017-06-07)
+===========================
+
+Bugfixes:
+---------
+ - pykeymgr no longer crash on empty json files in the KASP DB directory
+ - pykeymgr no longer imports keys in the "removed" state
+ - Imported keys in the "removed" state no longer makes knotd to crash
+ - Including an empty configuration directory no longer makes knotd to crash
+ - pykeymgr is distributed and installed to the distribution tarball
+
+Knot DNS 2.5.0 (2017-06-05)
+===========================
+
+Features:
+---------
+ - KASP database switched from JSON files to LMDB database
+ - KSK rollover support using CDNSKEY and CDS in the automatic DNSSEC signing
+ - Dynamic module loading support with proper module API
+ - Journal can store full zone contents (not only differences)
+ - Zone freeze/thaw support
+ - Updated knotc zone-status output with optional column filters
+ - New '[no]crypto' option in kdig
+ - New keymgr implementation reflecting KASP database changes
+ - New pykeymgr for JSON-based KASP database migration
+ - Removed obsolete knot1to2 utility
+
+Improvements:
+-------------
+ - Added libidn2 support to kdig (with libidn fallback)
+ - Maximum timer database switched from configure to the server configuration
+
+Knot DNS 2.4.4 (2017-06-05)
+===========================
+
+Improvements:
+-------------
+ - Improved error handling in kjournalprint
+
+Bugfixes:
+---------
+ - Zone flush not replanned upon unsuccessful flush
+ - Journal inconsistency after deleting deleted zone
+ - Zone events not rescheduled upon server reload (Thanks to Mark Warren)
+ - Unreliable LMDB mapsize detection in kjournalprint
+ - Some minor issues found by AddressSanitizer
+
+Knot DNS 2.4.3 (2017-04-11)
+===========================
+
+Improvements:
+-------------
+ - New 'journal-db-mode' optimization configuration option
+ - The default TSIG algorithm for utilities input is HMAC-SHA256
+ - Implemented sensible default EDNS(0) padding policy (Thanks to D. K. Gillmor)
+ - Added some more semantic checks on the knotc configuration operations
+
+Bugfixes:
+---------
+ - Missing 'zone' keyword in the YAML output
+ - Missing trailing dot in the keymgr DS owner output
+ - Journal logs 'invalid parameter' in several cases
+ - Some minor journal-related problems
+
+Knot DNS 2.4.2 (2017-03-23)
+===========================
+
+Features:
+---------
+ - Zscanner can store record comments placed on the same line
+ - Knotc status extension with version, configure, and workers parameters
+
+Improvements:
+-------------
+ - Significant incoming XFR speed-up in the case of many zones
+
+Bugfixes:
+---------
+ - Double OPT RR insertion when a global module returns KNOT_STATE_FAIL
+ - User-driven zscanner parsing logic inconsistency
+ - Lower serial at master doesn't trigger any errors
+ - Queries with too long DNAME substitution do not return YXDOMAIN response
+ - Incorrect elapsed time in the DDNS log
+ - Failed to process forwarded DDNS request with TSIG
+
+Knot DNS 2.4.1 (2017-02-10)
+===========================
+
+Improvements:
+-------------
+ - Speed-up of rdata addition into a huge rrset
+ - Introduce check of minimum timeout for next refresh
+ - Dnsproxy module can forward all queries without local resolving
+
+Bugfixes:
+--------
+ - Transfer of a huge rrset goes into an infinite loop
+ - Huge response over TCP contains useless TC bit instead of SERVFAIL
+ - Failed to build utilities with disabled daemon
+ - Memory leaks during keys removal
+ - Rough TSIG packet reservation causes early truncation
+ - Minor out-of-bounds string termination write in rrset dump
+ - Server crash during stop if failed to open timers DB
+ - Failed to compile on OS X older than Sierra
+ - Poor minimum UDP-max-size configuration check
+ - Failed to receive one-record-per-message IXFR-style AXFR
+ - Kdig timeouts when receiving RCODE != NOERROR on subsequent transfer message
+
+Knot DNS 2.4.0 (2017-01-18)
+===========================
+
+Bugfixes:
+--------
+ - False positive semantic-check warning about invalid bitmap in NSEC
+ - Unnecessary SOA queries upon notify with up to date serial
+ - Timers for expired zones are reset on reload
+ - Zone doesn't expire when the server is down
+ - Failed to handle keys with duplicate keytags
+ - Per zone module and global module insconsistency
+ - Obsolete online signing module configuration
+ - Malformed output from kjournalprint
+ - Redundant SO_REUSEPORT activation on the TCP socket
+ - Failed to use higher number of background workers
+
+Improvements:
+-------------
+ - Lower memory consumption with qp-trie
+ - Zone events and zone timers improvements
+ - Print all zone names in the FQDN format
+ - Simplified query module interface
+ - Shared TCP connection between SOA query and transfer
+ - Response Rate Limiting as a module with statistics support
+ - Key filters in keymgr
+
+Features:
+---------
+ - New unified LMDB-based zone journal
+ - Server statistics support
+ - New statistics module for traffic measuring
+ - Automatic deletion of retired DNSSEC keys
+ - New control logging category
+
+Knot DNS 2.3.4 (2017-11-20)
+===========================
+
+Security:
+---------
+ - CVE-2017-11104: Improper TSIG validity period check can allow TSIG forgery (Thanks to Synacktiv!)
+
+Bugfixes:
+---------
+ - Unexpected response for DS query below delegation poing
+ - Zone events not rescheduled upon server reload (Thanks to Mark Warren)
+ - Missing trailing dot in the keymgr DS owner output
+ - Malformed output from kjournalprint
+ - Redundant SO_REUSEPORT activation on the TCP socket
+
+Knot DNS 2.3.3 (2016-12-08)
+===========================
+
+Bugfixes:
+---------
+ - Double free when failed to apply zone journal
+ - Zone bootstrap retry interval not preserved upon zone reload
+ - DNSSEC related records not flushed if not signed
+ - False semantic checks warning about incorrect type in NSEC bitmap
+ - Memory leak in kzonecheck
+
+Improvements:
+-------------
+ - All zone names are fully-qualified in log
+
+Features:
+---------
+ - New kjournalprint utility
+
+Knot DNS 2.3.2 (2016-11-04)
+===========================
+
+Bugfixes:
+---------
+ - Incorrect %s expansion for the root zone
+ - Failed to refresh not existing slave zone after restart
+ - Immediate zone refresh upon restart if refresh already scheduled
+ - Early zone transfer after restart if transfer already scheduled
+ - Not ignoring empty non-terminal parents during delegation lookup
+ - CD bit preservation in responses
+ - Compilation error on GNU/kFreeBSD
+ - Server crash after double zone-commit if journal error
+
+Improvements:
+-------------
+ - Speed-up of knotc if control operation and known socket
+ - Zone purge operation purges also zone timers
+
+Features:
+---------
+ - Simple modules don't require empty configuration section
+ - New zone journal path configuration option
+ - New timeout configuration option for module dnsproxy
+
+Knot DNS 2.3.1 (2016-10-07)
+===========================
+
+Bugfixes:
+---------
+ - Missing glue records in some responses
+ - Knsupdate prompt printing on non-terminal
+ - Mismatch between configuration policy item names and documentation
+ - Segfault on OS X (Sierra)
+
+Improvements:
+-------------
+ - Significant speed-up of conf-commit and conf-diff operations (in most cases)
+ - New EDNS Client Subnet libknot API
+ - Better semantic-checks error messages
+
+Features:
+---------
+ - Print TLS certificate hierarchy in kdig verbose mode
+ - New +subnet alias for +client
+ - New mod-whoami and mod-noudp modules
+ - New zone-purge control command
+ - New log-queries and log-responses options for mod-dnstap
+
+Knot DNS 2.3.0 (2016-08-09)
+===========================
+
+Bugfixes:
+---------
+ - No wildcard expansion below empty non-terminal for NSEC signed zone
+ - Avoid multiple loads of the same PKCS #11 module
+ - Fix kdig IXFR response processing if the transfer content is empty
+ - Don't ignore non-existing records to be removed in IXFR
+
+Improvements:
+-------------
+ - Refactored semantic checks and improved error messages
+ - Set TC flag in delegation only if mandatory glue doesn't fit the response
+ - Separate EDNS(0) payload size configuration for IPv4 and IPv6
+
+Features:
+---------
+ - DNSSEC policy can be defined in server configuration
+ - Automatic NSEC3 resalt according to DNSSEC policy
+ - Zone content editing using control interface
+ - Zone size limit restriction for DDNS, AXFR, and IXFR (CVE-2016-6171)
+ - DNS-over-TLS support in kdig (RFC 7858)
+ - EDNS(0) padding and alignment support in kdig (RFC 7830)
+
+Knot DNS 2.2.1 (2016-05-24)
+===========================
+
+Bugfixes:
+---------
+ - Fix separate logging of server and zone events
+ - Fix concurrent zone file flushing with many zones
+ - Fix possible server crash with empty hostname on OpenWRT
+ - Fix control timeout parsing in knotc
+ - Fix "Environment maxreaders limit reached" error in knotc
+ - Don't apply journal changes on modified zone file
+ - Remove broken LTO option from configure script
+ - Enable multiple zone names completion in interactive knotc
+ - Set the TC flag in a response if a glue doesn't fit the response
+ - Disallow server reload when there is an active configuration transaction
+
+Improvements:
+-------------
+ - Distinguish unavailable zones from zones with zero serial in log messages
+ - Log warning and error messages to standard error output in all utilities
+ - Document tested PKCS #11 devices
+ - Extended Python configuration interface
+
+Knot DNS 2.2.0 (2016-04-26)
+===========================
+
+Bugfixes:
+---------
+ - Fix build dependencies on FreeBSD
+ - Fix query/response message type setting in dnstap module
+ - Fix remote address retrieval from dnstap capture in kdig
+ - Fix global modules execution for queries hitting existing zones
+ - Fix execution of semantic checks after an IXFR transfer
+ - Fix PKCS#11 support detection at build time
+ - Fix kdig failure when the first AXFR message contains just the SOA record
+ - Exclude non-authoritative types from NSEC/NSEC3 bitmap at a delegation
+ - Mark PKCS#11 generated keys as sensitive (required by Luna SA)
+ - Fix error when removing the only zone from the server
+ - Don't abort knotc transaction when some check fails
+
+Features:
+---------
+ - URI and CAA resource record types support
+ - RRL client address based white list
+ - knotc interactive mode
+
+Improvements:
+-------------
+ - Consistent IXFR error messages
+ - Various fixes for better compatibility with PKCS#11 devices
+ - Various keymgr user interface improvements
+ - Better zone event scheduler performance with many zones
+ - New server control interface
+ - kdig uses local resolver if resolv.conf is empty
+
+Knot DNS 2.1.1 (2016-02-10)
+===========================
+
+Bugfixes:
+---------
+ - DNSSEC: Allow import of duplicate private key into the KASP
+ - DNSSEC: Avoid duplicate NSEC for Wildcard No Data answer
+ - Fix server crash when an incoming transfer is in progress and reload is issued
+ - Fix socket polling when configured with many interfaces and threads
+ - Fix compilation against Nettle 3.2
+
+Improvements:
+-------------
+ - Select correct source address for UDP messages received on ANY address
+ - Extend documentation of knotc commands
+
+Knot DNS 2.1.0 (2016-01-14)
+===========================
+
+Features:
+---------
+ - Per-thread UDP socket binding using SO_REUSEPORT on Linux
+ - Support for dynamic configuration database
+ - DNSSEC: Support for cryptographic tokens via PKCS #11 interface
+ - DNSSEC: Experimental support for online signing
+
+Improvements:
+-------------
+ - Support for zone file name patterns
+ - Configurable location of zone timer database
+ - Non-blocking network operations and better timeout handling
+ - Caching of Critical configuration values for better performance
+ - Logging of ACL failures
+ - RRL: Add rate-limit-slip zero support to drop all responses
+ - RRL: Document behavior for different rate-limit-slip options
+ - kdig: Warning instead of error on TSIG validation failure
+ - Cleanup of support libraries interfaces (libknot, libzscanner, libdnssec)
+ - Remove possibly insecure server control over a network socket
+ - Remove implementation limit for the number of network interfaces
+
+Bugfixes:
+---------
+ - synth-record module: Fix application of default configuration options
+ - TSIG: Allow compressed TSIG name when forwarding DDNS updates
+ - Schedule zone bootstrap after slave zone fails to load from disk
+
+Knot DNS 2.0.2 (2015-11-24)
+===========================
+
+Bugfixes:
+---------
+ - Out-of-bound read in packet parser for malformed NAPTR records (LibFuzzer)
+
+Knot DNS 2.0.1 (2015-09-02)
+===========================
+
+Bugfixes:
+---------
+ - Do not reload expired zones on 'knotc reload' and server startup
+ - Fix rare race-condition in event scheduling causing delayed event execution
+ - Fix skipping of non-authoritative nodes in NSEC proofs
+ - Fix TC flag setting in RRL slipped answers
+ - Disable domain name compression for root label
+ - Log via journald only when running under systemd
+ - Fix CNAME following when quering for NSEC RR type
+ - Fix refreshing of DNSSEC signatures for zone keys
+ - Fix binding an unavailable IPv6 address on Linux (IP_FREEBIND)
+ - Fix infinite loop in knotc zonestatus and memstats
+ - Fix memory leak in configuration on server shutdown
+ - Fix broken dnsproxy module
+ - Fix DNSSEC KASP timestamps parsing in strict POSIX environment
+ - Fix multi value parsing on big-endian
+ - Adapt to Nettle 3 API break causing base64 decoding failures on big-endian
+
+Features:
+---------
+ - Add 'keymgr zone key ds' to show key's DS record
+ - Add 'keymgr tsig generate' to generate TSIG keys
+ - Add query module scoping to process either all queries or zone queries only
+ - Add support for file name globbing in config file includes
+ - Add 'request-edns-option' config option to add custom EDNS0 option into
+ server initiated queries
+
+Improvements:
+-------------
+ - Send minimal responses (remove NS from Authority section for NOERROR)
+ - Update persistent timers only on shutdown for better performance
+ - Allow change of RR TTL over DDNS
+ - Documentation fixes, updates, and improvements in formatting
+ - Install yparser and zscanner header files
+ - Improve lookup of libsystemd build dependencies
+ - Fix compilation warnings in endian conversion functions on OpenBSD
+
+Knot DNS 2.0.0 (2015-06-26)
+===========================
+
+Bugfixes:
+---------
+ - Fix lost NOTIFY message if received during zone transfer
+ - Disable fast zone parser when compiled in Clang (workaround for Clang bug)
+ - kdig: Record correct dnstap SocketProtocol when retrying over TCP
+ - kdig: Hide TSIG section with +noall
+ - Do not set AA flag for AXFR/IXFR queries
+
+Features:
+---------
+ - DNSSEC: separate library, switch to GnuTLS, new utilities
+ - DNSSEC: basic KASP support (generate initial keys, ZSK rollover)
+ - Configuration: New text format in YAML, binary store in LMDB
+ - Zone parser: Split long TXT/SPF strings into multiple strings
+ - kdig: Add generic dump style option (+generic)
+ - Try all master servers in multi-master environment
+ - Improved remotes and ACLs (multiple addresses, multiple keys)
+ - Basic support for zone file patterns (%s to substitute zone name)
+ - Disable zone file synchronization by setting 'zonefile_sync' to '-1'
+ - knsupdate: Add input prompt in interactive mode and 'quit' command
+ - knsupdate: Allow TSIG algorithm specification in interactive prompt
+
+Improvements:
+-------------
+ - Zone dump: Do not write class for SOA record (unified with other RR types)
+ - Zone dump: Do not write master server address into the zone file
+ - Documentation: Manual pages are included in HTML and PDF
+
+Knot DNS 1.6.3 (2015-04-08)
+===========================
+
+Bugfixes:
+---------
+ - Performance drop for NSEC-signed zones
+ - Proper handling of TCP short-writes
+ - Out-of-bound read in zone parser for long domain names in origin (AFL fuzzer)
+ - Out-of-bound read in packet parser for TSIG RR without RDATA (AFL fuzzer)
+ - Out-of-bound read in packet parser for malformed NAPTR RR (AFL fuzzer)
+
+Features:
+--------
+ - CDS and CDNSKEY support in zone parser
+
+Improvements:
+-------------
+ - Add defaults for TCP config options into documentation
+ - Detailed error message if zone reload fails
+
+Knot DNS 1.6.2 (2015-02-19)
+===========================
+
+Features:
+---------
+ - Limiting number of parallel TCP clients (max-tcp-clients config option)
+
+Bugfixes:
+---------
+ - Ignore refresh and transfer events on non-slave zones
+ - Compilation with Dnstap support on FreeBSD
+ - Possible file descriptor leak when terminating inactive TCP clients
+
+Knot DNS 1.6.1 (2014-12-13)
+===========================
+
+Bugfixes:
+---------
+ - Journal file would sometimes outgrow its limit (ixfr-fslimit in configuration)
+ - Fixed incompatibility with OpenSSL 0.9.8
+ - Proper handling when hostname cannot be retreived (for NSID and CH)
+
+Features:
+---------
+ - DNSSEC Single Type Signing Scheme is now supported
+
+Knot DNS 1.6.0 (2014-10-23)
+===========================
+
+Bugfixes:
+---------
+ - Fix zone expiration when AXFR/IXFR is being refused by master
+ - Fix forced zone refresh on slave (knotc refresh -f)
+
+Knot DNS 1.6.0-rc2 (2014-10-17)
+===============================
+
+Improvements:
+-------------
+ - Maximal size of persistent timers database increased from 10 MB to 100 MB
+ - Added logging of persistent timers database errors
+
+Bugfixes:
+---------
+ - Persistent timers database opening after privileges has been dropped
+
+Knot DNS 1.6.0-rc1 (2014-10-13)
+===============================
+
+Features:
+---------
+ - Persistent timers for slave zones (expire, refresh, and flush)
+
+Bugfixes:
+---------
+ - DNSSEC: RFC compliant processing of letter case in RDATA domain names
+ - EDNS: Return minimal error response for queries with unsupported version
+ - EDNS: Fix interpretation of Extended RCODE
+
+Knot DNS 1.5.3 (2014-09-15)
+===========================
+
+Bugfixes:
+---------
+ - Some specific incoming IXFRs were causing server to crash
+ - Rare sychronization error during reload caused read-after-free
+ - Response synthetization module did not work properly with DNSSEC-enabled zones
+ - When Knot sent AXFR when IXFR was requested, message ID and opcode were wrong
+ - Knot failed to send large messages to remote control (present since 1.5.1)
+
+Knot DNS 1.5.2 (2014-09-08)
+===========================
+
+Bugfixes:
+---------
+ - Some RR parsing corner cases were not handled properly
+ - AXFR-style IXFR was refused and had to be retransferred
+ - Hash character (#) was not properly escaped when storing text zone file
+
+Knot DNS 1.5.1 (2014-08-19)
+===========================
+
+Features:
+---------
+ - Basic support for logging using systemd journal
+ - DDNS: Ability to process updates in bulk
+
+Improvements:
+-------------
+ - Unified logging messages structure
+ - DNSSEC: More strict controls for signing keys
+
+Bugfixes:
+---------
+ - DNSSEC: DNAMEs in RDATA were not lowercased before signing
+ - EDNS: OPT RR were not put into responsing for some errors
+ - TSIG: DDNS responses were not signed with TSIG
+ - DDNS: Prerequisite checks failed for some inputs
+ - knsupdate: Zone origin was not used for deletions
+
+Knot DNS 1.5.0 (2014-07-08)
+===========================
+
+Features:
+---------
+ - DDNS forwarding reimplemented
+
+Improvements:
+-------------
+ - Transfer sizes logged in bytes if needed
+ - Logging outgoing NOTIFY messages
+ - Logging unauthorized incoming NOTIFYs
+
+Bugfixes:
+---------
+ - Zone flush planning after bootstrap
+ - Incorrect incoming AXFR message sizes
+ - DDNS signing changes were freed too soon, posibility of stale data
+ - knotc remote control key handling
+
+Knot DNS 1.5.0-rc2 (2014-06-18)
+===============================
+
+Features:
+---------
+ - edns-client-subnet support in kdig
+ - Optional asynchronous startup (config "asynchronous-start")
+
+Improvements:
+-------------
+ - Preempt task queue for faster reload
+ - Lazy zone file write after zone transfer (governed by
+ "zonefile-sync")
+
+Bugfixes:
+---------
+ - Close zone transfer after SERVFAIL response
+ - Incremental to full zone transfer fallback, wrong log message
+ - Zone events corner cases, reload replanning
+
+Knot DNS 1.5.0-rc1 (2014-06-03)
+===============================
+
+Features:
+---------
+ - Pluggable query processing modules
+ - Synthetic IPv4/IPv6 reverse/forward records (optional module)
+ - dnstap support in both utilities & server (optional module)
+ - NOTIFY message support and new TSIG section in kdig
+ - Zone transfer master failover
+
+Improvements:
+-------------
+ - Query processing and core functionality overhaul
+ - Performance and reduced memory footprint
+ - Faster zone events scheduling
+ - RFC compliant queries/responses in some corner cases
+ - Log messages
+ - New documentation (Sphinx)
+
+Knot DNS 1.4.2 (2014-01-27)
+===========================
+
+Bugfixes:
+---------
+ - AXFR/IXFR compatibility issues with tinydns/axfrdns
+ - Journal file is created only when needed
+ - Zone-related log messages are logged into correct category
+ - DNSSEC: Refresh signatures earlier (3 days before their expiration
+ with the default signature lifetime)
+ - Fixed RCU synchronization causing deadlock on 'knotc signzone'
+ - RRSIG not fitting in the additional records doesn't cause
+ truncation
+
+Knot DNS 1.4.1 (2014-01-13)
+===========================
+
+Bugfixes:
+---------
+ - Empty APL record support
+ - 'zonestatus' when using immediate zone syncing
+ - Immediate zone syncing after reload
+ - Race condition writing time values to zone file
+
+Knot DNS 1.4.0 (2014-01-06)
+===========================
+
+Features:
+---------
+ - Zone SERIAL policies (INCREMENT, UNIXTIME)
+ - IDN support in Knot utilities
+ - DNSSEC: support for GOST algorithm
+ - Better logging of automatic DNSSEC events
+ - Support for DNSSEC key pre-publication
+ - Experimental automatic DNSSEC signing
+ - Reduced memory usage
+
+Improvements:
+-------------
+ - ./configure prints build configuration summary
+ - Pretty zone file output (DNSSEC-related data separately)
+ - Lower memory consumption
+ - config: option 'dnssec-keydir' can be set per zone
+ - config: option 'storage' can be set per zone
+
+Bugfixes:
+---------
+ - AXFR crash with specific packet
+ - QNAME case-sensitive since 1.4.0-rc0
+ - DNSSEC records over DDNS
+ - Semantic check fail in AXFR is only soft-error
+ - Journal race condition
+ - Notifies are sent immediately
+ - Crash in particular additionals processing
+ - Race condition in event cancellation
+ - Journal corruption after failed transactions
+ - DNSSEC: fixed detection of ECDSA support
+ - Refactored zone loading
+ - Improved journal locking and fixed some race conditions
+ - Various fixes in client utilities
+ - Fixed memory errors in automatic DNSSEC signing
+ - 'dnssec-keydir' doesn't auto-enable signing
+ - Fixed rescheduling of zone resigns
+
+Knot DNS 1.3.3 (2013-10-28)
+===========================
+
+Bugfixes:
+---------
+ - Improved zone loading error messages
+ - Correct control socket permissions
+ - Improved log syntax documentation
+ - Fixed wrong assertions in DDNS prerequisites checking
+ - Fixed processing of some malformed DNS packets
+ - Fixed notify messages being ignored in some cases
+
+Knot DNS 1.3.2 (2013-09-30)
+===========================
+
+Bugfixes:
+---------
+ - Configuration option for EDNS0 max UDP payload.
+ - Max UDP payload from EDNS0 affected TCP responses.
+ - Fixed build on SLE 10.
+ - knotc reload did not close files included from config.
+
+Knot DNS 1.3.1 (2013-08-26)
+===========================
+
+Bugfixes:
+---------
+ - Response with NSID contained extra bytes after reload
+ - List of remotes is scanned for longest prefix match
+ - Multipacket TSIG signatures for transfers
+ - Wrongly parsed TSIG key secret without quotes
+ - Removed autoconf checks for extended instruction sets
+
+Knot DNS 1.3.0 (2013-08-05)
+===========================
+
+Features:
+---------
+ - Defaults for CH TXT id.server,version.server (see doc)
+ - Much faster bootstrap of many zones
+ - --with-configdir option for default config path
+ - Reintroducted 'pidfile' config option
+ - Utility to estimate memory consumption (see 'knotc memstats')
+ - PID file is not created when running on foreground
+ - UNIX sockets support for knotc
+ - Configurable 'rundir' and 'storage'
+ - Faster zone parser
+ - Full support for EUI and ILNP resource records
+ - Lower memory footprint for large zones
+ - No compilation of zones
+ - Improved scheduling of zone transfers
+ - Logging of serials and timing information for zone transfers
+ - Config: 'groups' keyword allowing to create groups of remotes
+ - Config: 'include' keyword allowing other file includes
+ - Client utilities: kdig, khost, knsupdate
+ - Server identification using TXT/CH queries (RFC 4892)
+ - Improved build scripts
+ - Improved dname compression and performance
+
+Bugfixes:
+---------
+ - Progressive interval for bootstrap retry
+ - Transfers randomly cancelled
+ - Disabling RRL on reload
+ - Secondary groups not initialized when dropping privileges
+ - Responding to DS queries for names at or below delegation points
+ - Removed deprecated 'knotc -w' option
+ - Slave ignores out-of-zone records in zone
+ - Support for obsolete types in zone transfers
+ - Slave zone file names fixes
+ - Long transfers being randomly dropped
+ - AXFR/IXFR subsystem performance improvements
+ - Rescheduling of AXFR in some cases
+ - RRSIGs not in the same section for DS records
+ - Log messages leaking to syslog
+ - 'knotc restart' option removed due to several limitations
+ - IXFR with an arbitrary number of diffs
+ - Processing of knotc TSIG keyfile
+ - Atomic PID file writing, removed deprecated 'knotc start'
+ - Performance regression when RRSIGs came before covered RRs in AXFR
+ - Label compression related bug
+ - Proper resolution of some CNAME chains
+ - Unstable response rate in rare cases
+ - Several log messages
+ - Fixed creating of PID file when dropping privileges
+
+Knot DNS 1.2.0 (2013-03-29)
+===========================
+
+Features:
+---------
+ - knotc 'zonestatus' command
+ - Response rate limiting (see documentation)
+ - Dynamic updates, including forwarding (limited on signed zones)
+ - Updated remote control utility
+ - Configurable TCP timeouts
+ - LOC RR support
+
+Bugfixes:
+---------
+ - Memory leaks
+ - Check for broken recvmmsg() implementation
+ - Changing logfile ownership before dropping privileges
+ - knotc respects 'control' section from configuration
+ - RRL: resolved bucket collisions
+ - RRL: updated bucket mapping to conform RRL technical memo
+ - Fixed OpenBSD build
+ - Responses to ANY should contain RRSIGs
+ - Fixed processing of some non-standard dnames.
+ - Correct checking of label length bounds in some cases.
+ - More compliant rcodes in case of DDNS/TSIG failures.
+ - Correct processing of malformed DDNS prereq section.
+
+Knot DNS 1.1.3 (2012-12-19)
+===========================
+
+Bugfixes:
+---------
+ - Updated manpage.
+ - Fixed answering DS queries (RRSIGs not together with DS, AA bit
+ missing).
+ - Fixed setting ARCOUNT in some error responses with EDNS enabled.
+ - Fixed crash when compiling zone zone with NSEC3PARAM but no NSEC3
+ and semantic checks enabled.
+
+Knot DNS 1.1.2 (2012-11-21)
+===========================
+
+Bugfixes:
+---------
+ - Fixed debug message.
+ - Fixed crash on reload when config contained duplicate zones.
+ - Fixed scheduling of transfers.
+
+Knot DNS 1.1.1 (2012-10-31)
+===========================
+
+Features:
+---------
+ - Improved compression of packets. Out-of-zone dnames present in
+ RDATA were not compressed.
+ - Slave zones are now automatically refreshed after startup.
+ - Proper response to IXFR/UDP query (returns SOA in Authority
+ section).
+
+Bugfixes:
+---------
+ - Fixed assertion failing when asking directly for a wildcard name.
+ - Crash after IXFR in certain cases when adding RRSIG in an IXFR.
+ - Fixed behaviour when incoming IXFR removes a zone cut. Previously
+ occluded names now become properly visible. Previously lead to a
+ crash when the server was asked for the previously occluded name.
+ - Fixed handling of zero-length strings in text zone dump. Caused the
+ compilation to fail.
+ - Fixed TSIG algorithm name comparison - the names should be in
+ canonical form.
+ - Fixed handling unknown RR types with type less than 251.
+
+Knot DNS 1.1.0 (2012-08-31)
+===========================
+
+Features:
+---------
+ - Signing SOA with TSIG queries when checking zone version with
+ master.
+ - Optionally disable ANY queries for authoritative answers.
+ - Dropping identical records in zone and incoming transfers.
+ - Support for '/' in zone names.
+ - Generating journal from reloaded zone (EXPERIMENTAL).
+ - Outgoing-only interfaces in configuration file.
+ - Following DNAME if the synthetized name is in the same zone.
+
+Bugfixes:
+---------
+ - Syncing journal to zone was not updating the compiled zone
+ database.
+ - Fixed ixfr-from-differences journal generation in case of IPSECKEY
+ and APL records.
+ - Fixed possible leak on server shutdown with a pending transfer.
+ - Crash when zone contained RRSIG signing a CNAME, but did not
+ contain the CNAME.
+ - Malformed packets parsing.
+ - Failed IXFR caused memory leaks.
+ - Failed IXFR might have resulted in inconsistent zone structures.
+ - Fixed answering to +dnssec queries when NSEC3 chain is corrupted.
+ - Fixed answering when transitioning from NSEC3 to NSEC.
+ - Fixed answering when zone contains multiple NSEC3 chains.
+ - Handling RRSets with different TTLs - TTL from the first RR is
+ used.
+ - Synchronization of zone reload and zone transfers.
+ - Fixed build on NetBSD 5 and FreeBSD.
+ - Fixed binding to both IPv4 and IPv6 at the same time on special
+ interfaces.
+ - Fixed access rights of created files.
+ - Semantic checks corrupted RDATA domain names which are covered by
+ wildcard in the same zone.
+
+Improvements:
+-------------
+ - Improved user manual.
+ - Better checks of corrupted zone database.
+ - IXFR-in optimized.
+ - Many zones loading optimized.
+ - More detailed log messages (mostly transfer-related).
+ - Copying Question section to error responses.
+ - Using zone name from config file as default origin in zone file.
+ - Additional records are now added to response also from
+ wildcard-covered names.
+
+Knot DNS 1.0.6 (2012-06-13)
+===========================
+
+Bugfixes:
+---------
+ - Fixed potential problems with RCU synchronization.
+ - Adding NSEC/NSEC3 for all wildcard CNAMEs in the response.
+
+Knot DNS 1.0.5 (2012-05-17)
+===========================
+
+Bugfixes:
+---------
+ - Fixed bug with creating journal files.
+
+Knot DNS 1.0.4 (2012-05-16)
+===========================
+
+Features:
+---------
+ - Parallel loading of zones to the server.
+ - RFC3339-complaint format of log time.
+ - Support for TLSA (RR type 52).
+ - knotc checkzone (as a dry-run of zone compile).
+ - knotc refresh for forcing Knot to update all zones from master
+ servers.
+ - Reopening log files upon start (used to truncate them).
+
+Improvements:
+-------------
+ - Significantly sped up IXFR-in and reduced its memory requirements.
+
+Bugfixes:
+---------
+ - Copying OPCODE and RD bit from query to NOTIMPL responses.
+ - Corrected response to CNAME queries if the canonical name was also
+ an alias (was adding the whole CNAME chain to the response).
+ - Fixed crash when NS or MX points to an alias.
+ - Fixed problem with early closing of filedescriptors (lead to crash
+ when compiling and loading or bootstrapping and restarting the
+ server with a lot of zones).
+
+Knot DNS 1.0.3 (2012-04-17)
+===========================
+
+Bugfixes:
+---------
+ - Corrected handling of EDNS0 when TCP is used (was applying the UDP
+ size limit).
+ - Fixed slow compilation of zones.
+ - Fixed potential crash with many concurrent transfers.
+ - Fixed missing include for FreeBSD.
+
+Knot DNS 1.0.2 (2012-04-13)
+===========================
+
+Features:
+---------
+ - Configuration checker (invoked via knotc).
+ - Specifying source interface for transfers and NOTIFY requests
+ directly.
+
+Bugfixes:
+---------
+ - Fixed leak when querying non-existing name and zone SOA TTL >
+ minimal.
+ - Fixed some minor bugs in tansfers.
+
+Improvements:
+-------------
+ - Improved log messages (added date and time, better specification of
+ XFR remote).
+ - Improved saving incoming IXFR to journal (memory optimized).
+ - Now using system scheduler (better for Linux).
+ - Decreased thread stack size.
+
+Knot DNS 1.0.1 (2012-05-09)
+===========================
+
+Features:
+---------
+ - Implemented jitter to REFRESH/RETRY timers.
+ - Implemented magic bytes for journal.
+ - Improved error messages.
+
+Bugfixes:
+---------
+ - Problem with creating IXFR journal for bootstrapped zone.
+ - Race condition in processing NOTIFY/SOA queries.
+ - Leak when reloading zone with NSEC3.
+ - Processing of APL RR.
+ - TSIG improper assignment of algorithm type.
+
+Knot DNS 1.0.0 (2012-02-29)
+===========================
+
+Features:
+---------
+ - Support for subnets in ACL.
+ - Debug messages enabling in configure.
+ - Optimized memory consuption of zone structures.
+ - NSID support (RFC5001).
+ - Root zone support.
+ - Automatic zone compiling on server start.
+ - Setting user to run Knot under in config file.
+ - Dropping privileges after binding to port 53.
+ + Support for Linux capabilities(7).
+ - Setting source address of outgoing transfers in config file.
+ - Custom PID file.
+ - CNAME loop detection.
+ - Timeout on TCP connections.
+ - Basic defense against DoS attacks.
+
+Bugfixes:
+---------
+ - Memory errors and leaks.
+ - Fixed improper handling of failed IXFR/IN.
+ - Several other minor bugfixes.
+ - Fixed IXFR processing.
+ - Patched URCU so that it compiles on architectures without TLS in
+ compiler (NetBSD, OpenBSD).
+ - Fixed response to DS query at parent zone.
+ - A lot of other bugfixes.
+
+Knot DNS 0.9.1 (2012-01-20)
+===========================
+
+Features:
+---------
+ - RRSet rotation
+
+Improvements:
+-------------
+ - Replaced pseudo-random number generator by one with MIT/BSD
+ license.
+
+Bugfixes:
+---------
+ - Fixed build on BSD.
+ - Fixes in parsing and dumping of zone RR types IPSECKEY, WKS, DLV,
+ APL, NSAP
+
+Knot DNS 0.9.0 (2012-01-13)
+===========================
+
+Features:
+---------
+ - TSIG support in both client and server.
+ - Use of sendmmsg() on Linux 3.0+ (improves performance).
+
+Bugfixes:
+---------
+ - Knot was not accepting AXFR-style IXFR with first SOA in a separate
+ packet (i.e. from Power DNS).
+ - Wrong SOA TTL in negative answers.
+ - Wrong max packet size for outgoing transfers (was causing the
+ packets to be malformed).
+ - Wrong handling of WKS record in zone compiler.
+ - Problems with zone bootstrapping.
+
+Knot DNS 0.8.1 (2011-12-01)
+===========================
+
+Bugfixes:
+---------
+ - Handling SPF record.
+ - Wrong text dump of unknown records.
+
+Knot DNS 0.8.0 (2011-11-03)
+===========================
+
+Features:
+---------
+ - First Public Release
+ - AXFR-in/-out
+ - IXFR-in/-out
+ - EDNS0
+ - DNSSEC
+ - NSEC3
+ - IPv6
+ - Runtime reconfiguration
+
+Known issues:
+-------------
+ - Missing support for TSIG
+ - Root zone support
+ - NSID support
+ - Other DNS classes than IN
+ - RRSet rotation not implmented
+ - Dynamic update support
+ - IXFR code might be flaky sometimes
+ - IXFR may be slow when too much (10 000+) RRSets are transferred at
+ once