It looks like you have to go back and find a Gimp that uses GEGL 0.3
![GEGL3.jpg](./download/file.php?id=68229)
- GEGL3.jpg (63.16 KiB) Viewed 1522 times
As far as I can tell the Exposure filter that comes with Gimp 2.10.xx and GEGL 0.4 Colors -> Exposure renders the same as the old version. At least it does with the example tree and set Exposure = 1.0