Third, I had no idea exposure was directly linked to yellow blooming. So even if I had applied your information, I may still have gotten yellow blooming while bracketing, and we'd still be having this conversation.
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There is no RAW exposure problem within the RAW you linked to. Any less exposure would have resulted in a darker version of the same thing, with a lower signal-to-noise ratio. Converters often boost the saturation of certain colors, causing clipping or near-clipping of one or two color channels in the output. If its a highlight area, it can be even worse. Perhaps you are seeing a combination effect of this fact, and the converter's inability to handle exposure to the right.
My simple manual, step-by-step conversion with IRIS has colors that look normal to me. Should I post a small copy of it here? When I get home, I will post a RAW histogram so you can see that it is not clipped.
I've never seen your render, or a precise description, so I don't know what is wrong with your conversion. Your embedded JPEG is very pale, which is to be expected if you set contrast low and expose to the right.