According to Yuanta Securities' report published on June 11, NMIXX is expected to make comeback in 4Q26 (October~December). The report lists it as a new release, with the date currently marked as TBA.
The report also includes a Japanese release. However, it appears to be listed as if it has already been released in April, even though NMIXX has not released any Japanese mini album so far.
*Please note that the report contains projections and estimated data