The useful idea is reducing the manual work between downloading a model and preparing a multicolor print. It is not a new STEP-file conversion service, and it does not directly fix mesh-editing problems in Plasticity.
The important distinction is between the announcement and what you can use now. Check the linked original reporting or organizer's page for any changes, prices, compatibility and access requirements.
A sensible first test is small: confirm the details and decide whether this is worth your time or money before making a commitment.
What to do: Look at the workflow when it launches, but keep using editable CAD sources for parts that require precise modifications.
Thingiverse and Anycubic plan easier one-click multicolor 3D prints. Anycubic and Thingiverse announced a partnership to adapt selected Thingiverse designs for multicolor printing and distribute them through Anycubic's MakerOnline platform. The program is expected to begin November 17. Action: Look at the workflow when it launches, but keep using editable CAD sources for parts that require precise modifications.