In the German forum you find a short thread about unpredictable results in develop mode.
After some drill-down the dehaze tool has been found as cause of the problem. Here's a sample: The top window shows AC (Build 1272) in develop mode with dehaze tool slider set to 100. All other tools are not used. The window below shows AC in view mode displaying the same image after the creation of the proxy file. Exported images look like the image in view mode.

BTW. You can also find a thread on dpreview.com,
After some drill-down the dehaze tool has been found as cause of the problem. Here's a sample: The top window shows AC (Build 1272) in develop mode with dehaze tool slider set to 100. All other tools are not used. The window below shows AC in view mode displaying the same image after the creation of the proxy file. Exported images look like the image in view mode.
BTW. You can also find a thread on dpreview.com,
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