Yeah sounds like it.Also confirms that Superman has been put on a shelf and WB will be concentrating on Supergirl as the Kryptonian of the movies.
Superman has been shelved for now, as a temporary measure to let Supergirl step into the limelight and carry the Kryptonian banner for a little while on the big screen, as the worlds of DC continue to evolve and solidify a path forward. Superman will of course inevitably appear again in movies some day, and I'd remind impatient fans that it has literally only been 14 months since Superman showed up in Justice League, his third outing in the current version of the DCEU and his fourth feature film appearance overall in a 12-year period.