Tweak and reword release notes

doc/notes/notes-current.rst

@@ -24,17 +24,18 @@ Known Issues
 New Features
 ~~~~~~~~~~~~
 
-- New configuration options, ``tcp-receive-buffer``, ``tcp-send-buffer``,
+- New configuration options, ``tcp-receive-buffer``,
-  ``udp-receive-buffer``, and ``udp-send-buffer``, have been added.  These
+  ``tcp-send-buffer``, ``udp-receive-buffer``, and ``udp-send-buffer``,
-  options allows the operator to fine tune the receiving and sending
+  have been added. These options allow the operator to fine-tune the
-  buffers in the operating system.  On busy servers, increasing the value
+  receiving and sending buffers in the operating system. On busy
-  of the receive buffers can prevent the server from dropping the packets
+  servers, increasing the size of the receive buffers can prevent the
-  during short spikes, and decreasing the value would prevent the server to
+  server from dropping packets during short traffic spikes, and
-  became clogged up with queries that are too old and have already timeouted
+  decreasing it can prevent the server from becoming clogged with
-  on the receiving side. :gl:`#2313`
+  queries that are too old and have already timed out. :gl:`#2313`
 
-- Run zone dumping tasks on separate asynchronous thread pools.  This change
+- Zone dumping tasks are now run on separate asynchronous thread pools.
-  makes zone dumping no longer block networking I/O. :gl:`#2732`
+  This change prevents zone dumping from blocking network I/O.
+  :gl:`#2732`
 
 Removed Features
 ~~~~~~~~~~~~~~~~
@@ -46,35 +47,37 @@ Removed Features
 Feature Changes
 ~~~~~~~~~~~~~~~
 
-- The interface handling code has been refactored to use fewer resources,
+- The interface handling code has been refactored to use fewer
-  which should lead to less memory fragmentation and better startup
+  resources, which should lead to less memory fragmentation and better
-  performance.  :gl:`#2433`
+  startup performance. :gl:`#2433`
 
 Bug Fixes
 ~~~~~~~~~
 
-- Fix a race condition in reading and writing key files for KASP zones in
+- A race condition could occur when reading and writing key files for
-  multiple views. :gl:`#1875`
+  zones using KASP and configured in multiple views. This has been
+  fixed. :gl:`#1875`
 
-- Check ``key-directory`` conflicts in ``named.conf`` for zones in multiple
+- Zones which are configured in multiple views, with different values
-  views with different ``dnssec-policy``. Using the same ``key-directory`` for
+  set for ``dnssec-policy`` and with identical values set for
-  such zones is not allowed. :gl:`#2463`
+  ``key-directory``, are now detected and treated as a configuration
+  error. :gl:`#2463`
 
-- The calculation of the estimated IXFR transaction size by
+- The calculation of the estimated IXFR transaction size in
-  `dns_journal_iter_init()` was invalid.  This resulted in excessive
+  ``dns_journal_iter_init()`` was invalid. This resulted in excessive
-  AXFR-style-IXFR responses. :gl:`#2685`
+  AXFR-style IXFR responses. :gl:`#2685`
 
-- If a query was answered with stale data on a server with DNS64 enabled,
+- If a query was answered with stale data on a server with DNS64
-  an assertion could occur if a non-stale answer arrived afterward. This
+  enabled, an assertion could occur if a non-stale answer arrived
-  has been fixed. :gl:`#2731`
+  afterward. This has been fixed. :gl:`#2731`
 
-- Fixed an assertion failure that could occur if stale data was used
+- Fixed an assertion failure that could occur if stale data was used to
-  to answer a query, and then a prefetch was triggered after the query
+  answer a query, and then a prefetch was triggered after the query was
-  was restarted (for example, to follow a CNAME). :gl:`#2733`
+  restarted (for example, to follow a CNAME). :gl:`#2733`
 
-- Fix an error that would enable don't fragment socket option instead
+- Fixed an error which caused the ``IP_DONTFRAG`` socket option to be
-  of disabling it leading to errors when sending the oversized UDP
+  enabled instead of disabled, leading to errors when sending oversized
-  packets. [GL #2746]
+  UDP packets. :gl:`#2746`
 
 - Fixed a bug that caused the NSEC salt to be changed for KASP zones on
   every startup. :gl:`#2725`