We published the significant upgrade to Forms 2.4 this week, which focused primarily on re-writing the file uploader to use the native media uploader. I've checked the internal tickets and a fix for the issue you reported wasn't included in this release, it is slated to be fixed in an upcoming point release.
I don't have an estimate for when, but Waqar will receive a notification when that ticket is updated and can share details with you.
I just noticed an update to Toolset Forms and this is what was in the changelog:
2.5.2
Fixed a compatibility issue with Relevanssi as fields edited in a frontend form were not properly re-indexed.
Fixed an issue when forms to create a new user were not requiring the password field.
Fixed an issue with forms to create a new user, associated with a WooCommerce product, not creating users if submitted by logged in users.
I do not see anything related to the issue mentioned in this thread. Has it been fixed?