diff --git a/configure.ac b/configure.ac
index 15f5cbe3a..ca824b9f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,8 +20,8 @@
 # freeform string.
 m4_define([libguestfs_major],   [1])
 m4_define([libguestfs_minor],   [51])
-m4_define([libguestfs_release], [4])
-m4_define([release_date],       [2023-06-27])
+m4_define([libguestfs_release], [5])
+m4_define([release_date],       [2023-07-14])
 
 AC_INIT([libguestfs],libguestfs_major.libguestfs_minor.libguestfs_release)
 AC_SUBST([RELEASE_DATE],release_date)
diff --git a/po/libguestfs.pot b/po/libguestfs.pot
index 5a03cf105..435be2088 100644
--- a/po/libguestfs.pot
+++ b/po/libguestfs.pot
@@ -6,10 +6,10 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: libguestfs 1.51.4\n"
+"Project-Id-Version: libguestfs 1.51.5\n"
 "Report-Msgid-Bugs-To: https://bugzilla.redhat.com/enter_bug.cgi?"
 "component=libguestfs&product=Virtualization+Tools\n"
-"POT-Creation-Date: 2023-06-27 14:04+0100\n"
+"POT-Creation-Date: 2023-07-14 20:30+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -1050,7 +1050,7 @@ msgid "get number of virtual CPUs in appliance"
 msgstr ""
 
 #: fish/cmds.c:726
-msgid "get the temporary directory for sockets"
+msgid "get the temporary directory for sockets and PID files"
 msgstr ""
 
 #: fish/cmds.c:727
@@ -3920,7 +3920,7 @@ msgstr ""
 msgid "size of %s is unreasonably large (%<PRIi64> bytes)"
 msgstr ""
 
-#: lib/launch-direct.c:149
+#: lib/launch-direct.c:151
 #, c-format
 msgid ""
 "current user is not a member of the KVM group (group ID %d). This user "
@@ -3929,11 +3929,31 @@ msgid ""
 "might need to log out and log in again)."
 msgstr ""
 
-#: lib/launch-direct.c:363
+#: lib/launch-direct.c:393
+#, c-format
+msgid "passt was killed with signal %d"
+msgstr ""
+
+#: lib/launch-direct.c:398
+#, c-format
+msgid "internal error: unexpected exit status from passt (%d)"
+msgstr ""
+
+#: lib/launch-direct.c:405
+#, c-format
+msgid "passt exited with status %d"
+msgstr ""
+
+#: lib/launch-direct.c:426
+#, c-format
+msgid "failed to parse passt PID from '%s'"
+msgstr ""
+
+#: lib/launch-direct.c:475
 msgid "you must call guestfs_add_drive before guestfs_launch"
 msgstr ""
 
-#: lib/launch-direct.c:902 lib/launch-libvirt.c:698
+#: lib/launch-direct.c:1042 lib/launch-libvirt.c:698
 msgid "qemu launched and contacted daemon, but state != READY"
 msgstr ""
 
@@ -4016,88 +4036,78 @@ msgstr ""
 msgid "unable to parse domain capabilities XML returned by libvirt"
 msgstr ""
 
-#: lib/launch-libvirt.c:1500 lib/launch-libvirt.c:1758 lib/qemu.c:816
+#: lib/launch-libvirt.c:1511 lib/launch-libvirt.c:1769 lib/qemu.c:816
 #, c-format
 msgid "realpath: could not convert ‘%s’ to absolute path"
 msgstr ""
 
-#: lib/launch-libvirt.c:1583
+#: lib/launch-libvirt.c:1594
 msgid ""
 "libvirt does not support the qemu curl driver protocols (ftp, http, etc.); "
 "try setting LIBGUESTFS_BACKEND=direct"
 msgstr ""
 
-#: lib/launch-libvirt.c:1973
+#: lib/launch-libvirt.c:1984
 msgid "could not define libvirt secret"
 msgstr ""
 
-#: lib/launch-libvirt.c:1984
+#: lib/launch-libvirt.c:1995
 msgid "rbd protocol secret must be base64 encoded"
 msgstr ""
 
-#: lib/launch-libvirt.c:1988
+#: lib/launch-libvirt.c:1999
 #, c-format
 msgid "base64_decode_alloc: %m"
 msgstr ""
 
-#: lib/launch-libvirt.c:2009
+#: lib/launch-libvirt.c:2020
 msgid "could not set libvirt secret value"
 msgstr ""
 
-#: lib/launch-libvirt.c:2022
+#: lib/launch-libvirt.c:2033
 msgid "could not get UUID from libvirt secret"
 msgstr ""
 
-#: lib/launch-libvirt.c:2195
+#: lib/launch-libvirt.c:2206
 msgid "could not destroy libvirt domain"
 msgstr ""
 
-#: lib/launch-libvirt.c:2216 lib/launch-libvirt.c:2249
+#: lib/launch-libvirt.c:2227 lib/launch-libvirt.c:2260
 #, c-format
 msgid "%s: internal error forming error message"
 msgstr ""
 
-#: lib/launch.c:64
+#: lib/launch.c:65
 msgid "the libguestfs handle has already been launched"
 msgstr ""
 
-#: lib/launch.c:77
+#: lib/launch.c:78
 #, c-format
 msgid ""
 "too many drives have been added, the current backend only supports %d drives"
 msgstr ""
 
-#: lib/launch.c:201
+#: lib/launch.c:202
 msgid "get-pid can only be called after launch"
 msgstr ""
 
-#: lib/launch.c:207
+#: lib/launch.c:208
 msgid "the current backend does not support ‘get-pid’"
 msgstr ""
 
-#: lib/launch.c:221
+#: lib/launch.c:222
 msgid "the current backend does not allow max disks to be queried"
 msgstr ""
 
-#: lib/launch.c:235
+#: lib/launch.c:236
 msgid "qemu has not been launched yet"
 msgstr ""
 
-#: lib/launch.c:298
+#: lib/launch.c:299
 #, c-format
 msgid "parameter ‘%s’ isn't allowed"
 msgstr ""
 
-#: lib/launch.c:327
-#, c-format
-msgid "socket path too long: %s/%s"
-msgstr ""
-
-#: lib/launch.c:331
-#, c-format
-msgid "%s"
-msgstr ""
-
 #: lib/libvirt-auth.c:96
 #, c-format
 msgid "unknown credential type ‘%s’"
@@ -4351,22 +4361,32 @@ msgid ""
 "creating /run/user/%d with the right ownership."
 msgstr ""
 
-#: lib/tmpdirs.c:282
+#: lib/tmpdirs.c:271
+#, c-format
+msgid "socket path too long: %s/%s"
+msgstr ""
+
+#: lib/tmpdirs.c:275
+#, c-format
+msgid "%s"
+msgstr ""
+
+#: lib/tmpdirs.c:323
 #, c-format
 msgid "stat: %s"
 msgstr ""
 
-#: lib/tmpdirs.c:287
+#: lib/tmpdirs.c:328
 #, c-format
 msgid "security: cached appliance %s is not owned by UID %ju"
 msgstr ""
 
-#: lib/tmpdirs.c:293
+#: lib/tmpdirs.c:334
 #, c-format
 msgid "security: cached appliance %s is not a directory (mode %o)"
 msgstr ""
 
-#: lib/tmpdirs.c:299
+#: lib/tmpdirs.c:340
 #, c-format
 msgid "security: cached appliance %s is writable by group or other (mode %o)"
 msgstr ""