diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7ca248..67dd17f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,38 @@ CHANGELOG
 =========
 
 
+1.2.6: Usability improvements
+-----------------------------
+
+## Configuration
+* new parameter: `mailgen_default_template_name`
+  new parameter for the frontend to set a default template name
+  if not set, the first template is used by default
+
+## Frontend
+* redesign notification section
+  re-organize the elements in the "Send Notifications" section (accordion)
+  one row for control elements, one row for the template input
+* submit data: close auth confirm after submit
+  hide the modal authConfirm directly after submission
+  progress is shown in the main pane
+* light grey background on input form groups
+  clarity for the user the the association between label and input
+* submit button text: to database/intelmq
+  depending to the 'validate with bots' switch, change the text of the
+  submit button for more clarity
+* improve documentation link
+  feedback by customer: move to right
+  underline
+  add link-arrow
+* set hasHeader to true by default
+  most CSV/TSV files have headers, use a sensible default
+* fallback values: remove monospace
+  for space efficiency and request by customer, use a normal font for the
+  field names
+* small space between target group select buttons
+
+
 1.2.5: Limit allowed Event fields
 ---------------------------------
 
diff --git a/client/src/components/WebinputCSV.vue b/client/src/components/WebinputCSV.vue
index 516b1f5..1efb3c3 100644
--- a/client/src/components/WebinputCSV.vue
+++ b/client/src/components/WebinputCSV.vue
@@ -846,7 +846,7 @@ export default ({
       errorMessage: null,
       showErrorModal: false,
       mailgenTargetGroups: [],
-      clientVersion: "1.2.5",
+      clientVersion: "1.2.6",
       templateDeletionModal: false,
       templateToDelete: {'index': null, 'template_name': null},
       mailgenTemplate: '',
diff --git a/debian/changelog b/debian/changelog
index 3045840..66aadfe 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,34 @@
+intelmq-webinput-csv (1.2.6-1) stable; urgency=medium
+
+  * Configuration
+    * new parameter: `mailgen_default_template_name`
+      new parameter for the frontend to set a default template name
+      if not set, the first template is used by default
+  * Frontend
+    * redesign notification section
+      re-organize the elements in the "Send Notifications" section (accordion)
+      one row for control elements, one row for the template input
+    * submit data: close auth confirm after submit
+      hide the modal authConfirm directly after submission
+      progress is shown in the main pane
+    * light grey background on input form groups
+      clarity for the user the the association between label and input
+    * submit button text: to database/intelmq
+      depending to the 'validate with bots' switch, change the text of the
+      submit button for more clarity
+    * improve documentation link
+      feedback by customer: move to right
+      underline
+      add link-arrow
+    * set hasHeader to true by default
+      most CSV/TSV files have headers, use a sensible default
+    * fallback values: remove monospace
+      for space efficiency and request by customer, use a normal font for the
+      field names
+    * small space between target group select buttons
+
+ -- Sebastian Wagner <swagner@intevation.de>  Fri, 30 Sep 2024 21:37:12 +0200
+
 intelmq-webinput-csv (1.2.5-1) stable; urgency=medium
 
   * Configuration
diff --git a/intelmq_webinput_csv/version.py b/intelmq_webinput_csv/version.py
index e83c6fa..90323ac 100644
--- a/intelmq_webinput_csv/version.py
+++ b/intelmq_webinput_csv/version.py
@@ -1,4 +1,4 @@
 # SPDX-FileCopyrightText: 2017-2018 nic.at GmbH <wagner@cert.at>, 2022-2024 Bundesamt für Sicherheit in der Informationstechnik
 # SPDX-License-Identifier: AGPL-3.0-or-later
-__version_info__ = (1, 2, 5)
+__version_info__ = (1, 2, 6)
 __version__ = '.'.join(map(str, __version_info__))