When uploading a file in Pure PHP Upload 3, in this case tw4.pdf, the w is omitted once uploaded and ends up as t4.pdf. This is with any file that has a w in its name. I have gone back to Version 2 and all is working fine again.

Hello Jan.

Thank you for sharing the issue with us.
I will notify you in the thread about the possible solutions.

Regards:Vulcho.