diff --git a/ChangeLog b/ChangeLog
index 6ea7ac02..f9863ca4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,12 +1,14 @@
 $Id$
 
 
-v0.39.0		09-Oct-2003
+v0.39.1		22-Oct-2003
+
+
+v0.39.0		09-Oct-2003 - 22-Oct-2003
 
 	general:
 		Added menu setup switches for doors: Singe user door and
 		hidden from lists.
-		Added configure settings for zlib, disabled for endusers.
 
 	mbsebbs:
 		The whoson list displays the doorname if set in the menus.
@@ -27,6 +29,10 @@ v0.39.0		09-Oct-2003
 		Changed signal handlers to better detect broken TCP links.
 		Added logging to show compressed bytes and switched to compress
 		level 9 compression instead of 6.
+		Prepared hydra for large compressed data blocks. In the next
+		developmement version we will actually start using these
+		large blocks, this change is to give all beta testers the
+		chance to upgrade.
 
 	lang:
 		Added language prompt 20.
diff --git a/TODO b/TODO
index ece0a149..f1c06dc0 100644
--- a/TODO
+++ b/TODO
@@ -120,6 +120,9 @@ mbcico:
 	U: Fix binkp file resume when mbcico silently dies.
 
 mbfile:
+	U: With file move and file already exists, there is an error
+	   cannot create symbolic link <name>, unknown error 4294968295.
+
 	L: Add a check to see if the magic filenames are (still) valid.
 
 	L: Update <filespec> <area> <-touch>
diff --git a/configure b/configure
index 4d304297..d3cc1626 100755
--- a/configure
+++ b/configure
@@ -1268,7 +1268,7 @@ SUBDIRS="lib mbcico mbfido mbmon mbsebbs mbtask mbsetup unix lang examples html
 PACKAGE="mbsebbs"
 MAJOR="0"
 MINOR="39"
-REVISION="0"
+REVISION="1"
 VERSION="$MAJOR.$MINOR.$REVISION"
 COPYRIGHT="Copyright (C) 1997-2003 Michiel Broek, All Rights Reserved"
 SHORTRIGHT="Copyright (C) 1997-2003 M. Broek"
diff --git a/configure.in b/configure.in
index afe73102..1f3193d1 100644
--- a/configure.in
+++ b/configure.in
@@ -11,7 +11,7 @@ dnl After changeing the version number, run autoconf!
 PACKAGE="mbsebbs"
 MAJOR="0"
 MINOR="39"
-REVISION="0"
+REVISION="1"
 VERSION="$MAJOR.$MINOR.$REVISION"
 COPYRIGHT="Copyright (C) 1997-2003 Michiel Broek, All Rights Reserved"
 SHORTRIGHT="Copyright (C) 1997-2003 M. Broek"
diff --git a/mbcico/hydra.c b/mbcico/hydra.c
index f975460e..29c0506f 100644
--- a/mbcico/hydra.c
+++ b/mbcico/hydra.c
@@ -1064,10 +1064,11 @@ int hydra_batch(int role, file_list *to_send)
 			txlen += 4;
 			hytxpkt(HPKT_DATA, txbuf, txlen);
 #endif
+// FIXME: here to decide in PLZ mode to use larger blocks.
 			if (goodbytes > goodneeded) {
 			    blksize *= 2;
-			    if (blksize > H_MAXBLKLEN) {
-				blksize = H_MAXBLKLEN;
+			    if (blksize > H_UNCBLKLEN) {
+				blksize = H_UNCBLKLEN;
 			    }
 			}
 		    }
diff --git a/mbcico/hydra.h b/mbcico/hydra.h
index 4ca8e238..24ca2ad3 100644
--- a/mbcico/hydra.h
+++ b/mbcico/hydra.h
@@ -75,8 +75,13 @@
 #define XOFF	     ('S' - '@')	/* Ctrl-S (^S) xmit-off character    */
 #endif
 #define H_DLE	     ('X' - '@')	/* Ctrl-X (^X) HYDRA DataLinkEscape  */
+#define H_UNCBLKLEN  2048		/* Max. uncompressed blocklen	     */
 #define H_MINBLKLEN    64		/* Min. length of a HYDRA data block */
-#define H_MAXBLKLEN  2048		/* Max. length of a HYDRA data block */
+#define H_MAXBLKLEN  8192		/* Max. length of a HYDRA data block */
+					/* NB: official is 2048, here we use */
+					/* this to prepare for receive large */
+					/* compressed blocks. Uncompressed   */
+					/* we still use 2048 maximum.	     */
 #define H_OVERHEAD	8		/* Max. no. control bytes in a pkt   */
 #define H_MAXPKTLEN  ((H_MAXBLKLEN + H_OVERHEAD + 5) * 3)     /* Encoded pkt */
 #define H_BUFLEN     (H_MAXPKTLEN + 16) /* Buffer sizes: max.enc.pkt + slack */