diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97309fe64..0ba284890 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,17 +1,3 @@
-- mobile: add ability to edit tags
-- Correct OTU and CNS calculations for planned bailout
-- replace dive computer management with a new implementation, this fixes rare cases where
-  Subsurface unnecessarily download already downloaded dives, but also means
-  that some older style dive computer can no longer have nicknames
-- avoid potential crash when switching divelogs
-- add GPS fix downloaded from a dive comuter to existing dive site
-- fix broken curser left/right shortcut for showing multiple dive computers
-- allow editing the profile for dives imported without samples (via CSV)
-- fix potential crash (and other errors) importing DL7 dives
-- add detection for Aladin A2 as BLE dive computer
-- improve printout scaling for event icons
-- support exporting unused cylinders to divelogs.de
-- improve handling of CNS values when combining multiple dive computers
 
 ---
 * Always add new entries at the very top of this file above other existing entries and this note.
diff --git a/README.md b/README.md
index 799847c9d..a07017bcd 100644
--- a/README.md
+++ b/README.md
@@ -11,10 +11,10 @@
 ![Build Status](https://github.com/subsurface/subsurface/workflows/Ubuntu%2020.10%20/%20Qt%205.14--/badge.svg)
 ![Build Status](https://github.com/subsurface/subsurface/workflows/openSUSE/Tumbleweed%20/%20Qt%20latest--/badge.svg)
 
-This is the README file for Subsurface 5.0.2
+This is the README file for Subsurface 5.0.3
 
 Please check the `ReleaseNotes.txt` for details about new features and
-changes since Subsurface 5.0.1 (and earlier versions).
+changes since Subsurface 5.0.2 (and earlier versions).
 
 Subsurface can be found at http://subsurface-divelog.org
 
@@ -49,10 +49,10 @@ development version) you can either get this via git or the release tar
 ball. After cloning run the following command:
 
 ```
-git checkout v5.0.2  (or whatever the last release is)
+git checkout v5.0.3  (or whatever the last release is)
 ```
 
-or download a tarball from http://subsurface-divelog.org/downloads/Subsurface-5.0.2.tgz
+or download a tarball from http://subsurface-divelog.org/downloads/Subsurface-5.0.3.tgz
 
 Detailed build instructions can be found in the INSTALL file.
 
diff --git a/ReleaseNotes/ReleaseNotes.txt b/ReleaseNotes/ReleaseNotes.txt
index 996819fc4..621f00daa 100644
--- a/ReleaseNotes/ReleaseNotes.txt
+++ b/ReleaseNotes/ReleaseNotes.txt
@@ -2,6 +2,33 @@
 
 = _Subsurface_ Release Notes
 
+New in _Subsurface_ 5.0.3
+~~~~~~~~~~~~~~~~~~~~~~~~~
+- Correct OTU and CNS calculations for planned bailout
+- replace dive computer management with a new implementation, this fixes rare cases where
+  Subsurface unnecessarily download already downloaded dives, but also means
+  that some older style dive computer can no longer have nicknames
+- avoid potential crash when switching divelogs
+- add GPS fix downloaded from a dive comuter to existing dive site
+- fix broken curser left/right shortcut for showing multiple dive computers
+- allow editing the profile for dives imported without samples (via CSV)
+- fix potential crash (and other errors) importing DL7 dives
+- add detection for Aladin A2 as BLE dive computer
+- improve printout scaling for event icons
+- support exporting unused cylinders to divelogs.de
+- improve handling of CNS values when combining multiple dive computers
+
+dive computer support:
+- add support for Cressi Neon
+- add support for Sherwood Amphos 2.0
+- add support for new gas change data from EON Steel with FW 2.5
+- fix potential crash with Garmin Descent Mk2
+- fix HW Sport and Mares Genius firmware update
+- various parser updates:
+  - sporasub depth, salinity and sample rate parsing
+  - Atomics Cobalt atmospheric pressure parsing
+  - unit cleanups (Uwatec, McLean Extreme)
+
 New in _Subsurface_ 5.0.2
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 - desktop: fix removal/editing of bookmarks on the profile