Song Ma helped me verify and extend a fix for doing FTP over a SOCKS4/5 proxy 
diff --git a/RELEASE-NOTES b/RELEASE-NOTES index 0857480..134144e 100644 --- a/RELEASE-NOTES +++ b/RELEASE-NOTES 
@@ -19,6 +19,7 @@  o adjusted how libcurl treats HTTP 1.1 responses without content-lenth or  chunked encoding  o fixed the 10-at-a-time.c example + o FTP over SOCKS proxy    This release includes the following known bugs:   @@ -35,6 +36,6 @@  This release would not have looked like this without help, code, reports and  advice from friends like these:   - Robert Iakobashvili, James Housley, Günter Knauf, James Bursa + Robert Iakobashvili, James Housley, Günter Knauf, James Bursa, Song Ma    Thanks! (and sorry if I forgot to mention someone)