The Blender Foundation initially reserved the right to use dual licensing so that, in addition to GPL 2.0-or-later, Blender would have been available also under the "Blender License", which did not require disclosing source code but required payments to the Blender Foundation. However, this option was never exercised and was suspended indefinitely in 2005. Blender is solely available under "GNU GPLv2 or any later" and was not updated to the GPLv3, as "no evident benefits" were seen. The binary releases of Blender are under GNU GPLv3 or later because of the incorporated Apache libraries.
the blender foundation initially reserved the right to use dual licensing so that in addition to gpl 20-or-later blender would have been available also under the "blender license" which did not require disclosing source code but required payments to the blender foundation however this option was never exercised and was suspended indefinitely in 2005 blender is solely available under "gnu gplv2 or any later" and was not updated to the gplv3 as "no evident benefits" were seen the binary releases of blender are under gnu gplv3 or later because of the incorporated apache libraries