doc: Include release info from 2.2.6

--

NEWS

@@ -1,6 +1,51 @@
 Noteworthy changes in version 2.3.0 (unreleased)
 ------------------------------------------------
 
+  Changes also found in 2.2.6:
+
+  * gpg,gpgsm: New option --request-origin to pretend requests coming
+    from a browser or a remote site.
+
+  * gpg: Fix race condition on trustdb.gpg updates due to too early
+    released lock.  [#3839]
+
+  * gpg: Emit FAILURE status lines in almost all cases.  [#3872]
+
+  * gpg: Implement --dry-run for --passwd to make checking a key's
+    passphrase straightforward.
+
+  * gpg: Make sure to only accept a certification capable key for key
+    signatures.  [#3844]
+
+  * gpg: Better user interaction in --card-edit for the factory-reset
+    sub-command.
+
+  * gpg: Improve changing key attributes in --card-edit by adding an
+    explicit "key-attr" sub-command.  [#3781]
+
+  * gpg: Print the keygrips in the --card-status.
+
+  * scd: Support KDF DO setup.  [#3823]
+
+  * scd: Fix some issues with PC/SC on Windows.  [#3825]
+
+  * scd: Fix suspend/resume handling in the CCID driver.
+
+  * agent: Evict cached passphrases also via a timer.  [#3829]
+
+  * agent: Use separate passphrase caches depending on the request
+    origin.  [#3858]
+
+  * ssh: Support signature flags.  [#3880]
+
+  * dirmngr: Handle failures related to missing IPv6 support
+    gracefully.  [#3331]
+
+  * Fix corner cases related to specified home directory with
+    drive letter on Windows.  [#3720]
+
+  * Allow the use of UNC directory names as homedir.  [#3818]
+
   Changes also found in 2.2.5:
 
   * gpg: Allow the use of the "cv25519" and "ed25519" short names in
@@ -162,6 +207,8 @@ Noteworthy changes in version 2.3.0 (unreleased)
   Version 2.2.2 (2017-11-07)
   Version 2.2.3 (2017-11-20)
   Version 2.2.4 (2017-12-20)
+  Version 2.2.5 (2018-02-22)
+  Version 2.2.6 (2018-04-09)
 
 
 Noteworthy changes in version 2.2.0 (2017-08-28)