diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index 0ef0b255b..b4d4a3523 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -1,6 +1,6 @@
-RAWTHERAPEE 5.10 RELEASE NOTES
+RAWTHERAPEE 5.10-dev RELEASE NOTES
 
-This is RawTherapee 5.10, released on 2024-02-16.
+This is a development version of RawTherapee. We update the code almost daily. Every few months, once enough changes have accumulated and the code is stabilized, we make a new official release. Every code change between these releases is known as a "development" version, and this is one of them.
 
 
 
@@ -22,99 +22,18 @@ In order to use RawTherapee efficiently you should know that:
 
 
 
-NEW FEATURES SINCE 5.9
+NEW FEATURES SINCE 5.10
 
-- Multiple custom external editors can be added and the external editor can be chosen in the Editor tab.
-- The Favorites tab can be configured in Preferences. An option to display Favorite tools in their original location has been added.
-- Metadata is now handled by Exiv2. CR3 metadata is supported.
-- When saving images in the TIFF file format, there is a new option to use the BigTIFF format.
-- The DCP and LCP file paths saved to processing profiles have better interoperability between Windows and Linux, and between different computers.
-- The Tone Equalizer in Local Adjustments is now also available in the Exposure tab. They have a new Pivot adjuster to shift the range of affected tones. The Tone Equalizer in the Exposure tab can display a tonal map for visualizing the tones.
-- The ICC profiles in the user configuration directory are recognized.
-- The language selection in Preferences now show all language names in their own language.
-- The Lensfun database directory can be changed in Preferences.
-- The color pickers in Film Negative (Color tab) now have adjustable size.
-- Dynamic Profile Rules now has a File path filter.
-- The context menu for images (File Browser tab) received a new option to sort images by name, date, rank, color label, or EXIF.
-- The Flat-Field tool (Raw tab) has a new From Metadata option for applying DNG gain maps.
-- Temporary files generated by the external editor feature now have more private file permissions.
-- The Color Appearance & Lighting tool (Advanced tab) received various improvements.
-- The Abstract Profile in the Color Management tool (Color tab) received a Gamut control option.
-- The L*a*b* Adjustments (Exposure tab) and Local Adjustments (Local tab) tools received improvements to the Avoid color shift option.
-- The Highlight reconstruction in the Exposure tool (Exposure tab) has a new Inpaint Opposed method that usually offers better reconstructed details than the Blend method and higher reliability compared to the Color Propagation method.
-- The Temperature correlation automatic white balance method in the White Balance tool (Color tab) received various improvements.
-- The Denoise section of the Blur/Grain & Denoise tool in Local Adjustments (Local tab) has an improved interface.
-- Raw files from OM Digital Solutions cameras are supported.
-- The Dynamic Range Compression tool in the Exposure tab and in Local Adjustments (Local tab) has improved behavior. The tool in Local Adjustments received a Saturation control option.
-- The default value for the Show additional settings option for new spots in Local Adjustments (Local tab) is now linked to the Default complexity for Local Adjustments set in Preferences.
+- TODO
 - Added or improved support for cameras, raw formats and color profiles:
-    - Canon EOS 250D (DCP)
-    - Canon EOS 7D Mark II
-    - Canon EOS 800D (DCP)
-    - Canon EOS 90D
-    - Canon EOS Kiss X10
-    - Canon EOS M100
-    - Canon EOS M50 (DCP)
-    - Canon EOS M50m2
-    - Canon EOS M6 Mark II
-    - Canon EOS R
-    - Canon EOS R10
-    - Canon EOS R3
-    - Canon EOS R5
-    - Canon EOS R6
-    - Canon EOS R6m2
-    - Canon EOS R7
-    - Canon EOS R8
-    - Canon EOS RP
-    - Canon EOS Rebel SL3
-    - Canon EOS-1D X Mark II
-    - Canon PowerShot G7 X Mark II
-    - Canon Powershot G5 X MARK II (DCP)
-    - FUJIFILM DBP for GX680 (DCP)
-    - FUJIFILM GFX 100
-    - FUJIFILM GFX100S
-    - FUJIFILM X-A7 (DCP)
-    - FUJIFILM X-E3 (DCP)
-    - FUJIFILM X-H2
-    - FUJIFILM X-PRO3
-    - FUJIFILM X-S10 (DCP)
-    - FUJIFILM X-T3
-    - FUJIFILM X-T30
-    - FUJIFILM X-T30 II
-    - FUJIFILM X-T4
-    - FUJIFILM X-T5
-    - FUJIFILM X100V
-    - LEICA D-LUX 7
-    - NIKON D3300 (DCP)
-    - NIKON Z 5 (DCP)
-    - NIKON Z 6_2 (DCP)
-    - NIKON Z 9
-    - OLYMPUS E-M1 (DCP)
-    - OLYMPUS E-M10MarkIV
-    - OM Digital Solutions OM-1
-    - OM Digital Solutions OM-5
-    - PANASONIC DC-GX880
-    - PANASONIC DMC-LX100 (DCP)
-    - Panasonic DC-G100
-    - Panasonic DC-G110
-    - Panasonic DC-LX100M2
-    - Sony DSC-RX100M6 (DCP)
-    - Sony DSC-RX1RM2
-    - Sony ILCE-7 (DCP)
-    - Sony ILCE-7C (DCP)
-    - Sony ILCE-7M4
-    - Sony ILCE-7RM2
-    - Sony ILCE-7S
-    - Sony ILCE-7SM2
-    - Sony ILCE-7SM3 (DCP)
-    - Sony ZV-1
+    - TODO
 
 
 
 NEWS RELEVANT TO PACKAGE MAINTAINERS
 
-New since 5.9:
-- Dependency on Exiv2 >= 0.24.
+New since 5.10:
+- TODO
 
 In general:
 - To get the source code, either clone from git or use the tarball from https://rawtherapee.com/shared/source/ . Do not use the auto-generated GitHub release tarballs.
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index 5d407161a..9e91d054e 100644
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+++ b/rtdata/images/svg/splash.svg
@@ -936,6 +936,37 @@
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