2019 Dongfeng Nissan Sylphy (L21B)

First of all, the Paultan article you referred to mentions the new Versa/Sunny/Almera (L02D) which has just gone into production in Mexico. It sits on the Nissan V platform.

Second, Nissan's (or Alliance) V platform is not synonymous with any CMF platform. The V platform is 'versatile' enough, meaning several different types of cars can be developed on it. It is an evolution of the Nissan/Alliance B platform. It is not of a modular architecture (a broader concept than platform), which the Common Module Family of platforms is. Work on the V platform started around 2005 and the first car was most probably the Nissan March/Micra K13 (B02A/G02A) dating from 2010. The French-made Micra K14 (B02E) also sits on the V platform.

Some technology/ideas/concepts from the V platform were adopted when the Common Module Family was being developed. Meanwhile the V platform itself has been worked upon and improved with time, especially in the second half of this decade. This is probably the reason for the confusion between the V platform and CMF-B platform (B is the implementation of the CMF for B-segment cars). The CMF is intended to eventually replace previous "Alliance" platforms.

Coming to your question: the first CMF car, as claimed by RNMA, is the current Nissan X-Trail/Rogue T32 (P32R), which uses the CMF C/D platform. This was unveiled in 2013. The current Megane (BFB/KFB/LFF) is based on the CMF C/D platform, and the subject of this thread, the new Sylphy/Sentra (L21B) also sits on the CMF C/D, so they are indeed related.

The first cars to use CMF-B are the new Clio Mk V (BJA) and the new 'small' Captur II (HJB/HJE).

https://www.alliance-2022.com/blog/why-v-platform-really-mindset-change/
https://www.alliance-2022.com/news/common-module-family-cmf-a-new-approach-to-engineering-for-the-renault-nissan-alliance/
https://www.alliance-2022.com/blog/renault-nissan-alliance-posts-record-29-billion-euros-synergies-2013-ahead-launch-first-cmf-veh/
https://www.alliance-2022.com/convergence/
https://supplierinsight.ihsmarkit.com/page/65/cutaways