Version 5.2.4 is compatible with Avisynth 2.6.
http://rationalqm.us/decomb/decombnew.html
Thanks to IanB for contributing the code for this version!
Decomb 5.2.4 released
Re: Decomb 5.2.4 released
The link on your download page points to http://rationalqm.us/decomb/decomb523.zip it probably should point to http://rationalqm.us/decomb/decomb524.zip
Re: Decomb 5.2.4 released
Thank you, I have corrected the link.