How can I use $rankFusion while my MongoDB version is 8.0.xx?
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We are working on enabling this by default for all 8.0.x clusters, targeting towards the end of November. If you want to use it today, you have two options:
- For any cluster (M0+) on 8.0.x you can follow the instructions here to get it enabled
- Opt a dedicated cluster (M10+) into “Rapid Releases” (more info here) to get access to both $rankFusion and $scoreFusion on 8.2.x+
Hope that helps! I will also provide an update on this thread when $rankFusion is widely available by default on 8.0.x.
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