2024 BrainChip Discussion, page-279

Found it:

It was confirmed by Sean Hehir CEO to myself and others that assuming there is no interruption to present planning AKIDA 3.0 will make an appearance next year. It is still anticipated that a demonstration AKIDA 2.0 chip will be produced. Presently sophisticated customers who have experience of the AKD1000 commercial chip have expressed confidence in their ability to assess AKIDA 2.0 based solely on the IP and all those who were referred to as being given early access at the beginning of 2023 are now engaged or engaged again with Brainchip assessing and discussing AKIDA 2.0 and the commercial opportunities.

So the only mention of taping out a reference chip for AKD2.0 comes from a private shareholder meeting but the dude who wrote the above post claims that it was in the AGM...