diff --git a/ChangeLog b/ChangeLog
index 4e7292b00..cfba56d82 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat 03 Oct 2020 03:59:45 PM CEST
+    Various minor fixes, code cleanup, updates to more recent
+    GNUnet APIs, new error codes, and timetravel test support.
+    Releasing GNU Taler 0.8.0. -CG
+
 Sun 29 Mar 2020 08:53:46 PM CEST
     Changed protocol to be more RESTful. Expanded auditor tests.
     Completed transition to new wire gateway API for bank interaction.
diff --git a/configure.ac b/configure.ac
index a51b32475..a32a4786e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@
 #
 #
 AC_PREREQ([2.69])
-AC_INIT([taler-exchange], [0.7.0], [taler-bug@gnunet.org])
+AC_INIT([taler-exchange], [0.8.0], [taler-bug@gnunet.org])
 AC_CONFIG_SRCDIR([src/util/util.c])
 AC_CONFIG_HEADERS([taler_config.h])
 # support for non-recursive builds
diff --git a/contrib/gnunet.tag b/contrib/gnunet.tag
index 73a1326e5..b16d63c58 100644
--- a/contrib/gnunet.tag
+++ b/contrib/gnunet.tag
@@ -116,6 +116,12 @@
       <name>GNUNET_PQ_result_spec_end</name>
       <arglist></arglist>
     </member>
+    <member kind="define">
+      <type>#define</type>
+      <anchorfile>gnunet_sq_lib.h</anchorfile>
+      <name>GNUNET_SQ_result_spec_absolute_time_nbo</name>
+      <arglist></arglist>
+    </member>
     <member kind="define">
       <type>#define</type>
       <anchorfile>gnunet_pq_lib.h</anchorfile>
@@ -164,6 +170,12 @@
       <anchorfile>gnunet_sq_lib.h</anchorfile>
       <arglist>(const struct GNUNET_TIME_Absolute *x)</arglist>
     </member>
+    <member kind="function">
+      <type>struct GNUNET_SQ_QueryParam</type>
+      <name>GNUNET_SQ_query_param_absolute_time_nbo</name>
+      <anchorfile>gnunet_sq_lib.h</anchorfile>
+      <arglist>(const struct GNUNET_TIME_Absolute *x)</arglist>
+    </member>
     <member kind="function">
       <type>struct GNUNET_SQ_QueryParam</type>
       <name>GNUNET_PQ_query_param_absolute_time_nbo</name>
diff --git a/src/include/taler_auditordb_plugin.h b/src/include/taler_auditordb_plugin.h
index 33e1adecb..64952e6e6 100644
--- a/src/include/taler_auditordb_plugin.h
+++ b/src/include/taler_auditordb_plugin.h
@@ -364,7 +364,7 @@ struct TALER_AUDITORDB_DepositConfirmation
  * @param cls closure
  * @param serial_id location of the @a dc in the database
  * @param dc the deposit confirmation itself
- * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERROR to stop iterating
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
  */
 typedef int
 (*TALER_AUDITORDB_DepositConfirmationCallback)(
diff --git a/src/include/taler_twister_testing_lib.h b/src/include/taler_twister_testing_lib.h
index 4ff3f42a8..6e070fdca 100644
--- a/src/include/taler_twister_testing_lib.h
+++ b/src/include/taler_twister_testing_lib.h
@@ -105,7 +105,7 @@ TALER_TESTING_cmd_modify_object_ul (const char *label,
  *
  * @param label command label
  * @param config_filename configuration filename.
- * @param header name of the header to modify.
+ * @param path path identifying where to modify.
  * @param value value to set the header to.
  * @return the command
  */
diff --git a/src/include/taler_util.h b/src/include/taler_util.h
index 2a64fe8e9..ad2f46a45 100644
--- a/src/include/taler_util.h
+++ b/src/include/taler_util.h
@@ -351,7 +351,7 @@ enum TALER_EXCHANGE_YesNoAll
  * @param connection connection to take query argument from
  * @param arg argument to try for
  * @param default_val value to assign if the argument is not present
- * @param[out] value to set
+ * @param[out] yna value to set
  * @return true on success, false if the parameter was malformed
  */
 bool
diff --git a/src/lib/auditor_api_handle.c b/src/lib/auditor_api_handle.c
index fda7d4451..5a293584f 100644
--- a/src/lib/auditor_api_handle.c
+++ b/src/lib/auditor_api_handle.c
@@ -187,7 +187,7 @@ free_version_request (struct VersionRequest *vr)
  * in the @a key_data.
  *
  * @param[in] resp_obj JSON object to parse
- * @param[out] vi where to store the results we decoded
+ * @param[out] auditor where to store the results we decoded
  * @param[out] vc where to store version compatibility data
  * @return #TALER_EC_NONE on success
  */
diff --git a/src/testing/testing_api_cmd_twister_exec_client.c b/src/testing/testing_api_cmd_twister_exec_client.c
index 46265f772..2cb92a8fe 100644
--- a/src/testing/testing_api_cmd_twister_exec_client.c
+++ b/src/testing/testing_api_cmd_twister_exec_client.c
@@ -1050,7 +1050,7 @@ TALER_TESTING_cmd_modify_object_ul (const char *label,
  *
  * @param label command label
  * @param config_filename configuration filename.
- * @param header name of the header to modify.
+ * @param path identifies the location to modify
  * @param value value to set the header to.
  * @return the command
  */
diff --git a/src/testing/testing_api_trait_uuid.c b/src/testing/testing_api_trait_uuid.c
index 1221be0a2..c9b73a5b4 100644
--- a/src/testing/testing_api_trait_uuid.c
+++ b/src/testing/testing_api_trait_uuid.c
@@ -17,7 +17,7 @@
   <http://www.gnu.org/licenses/>
 */
 /**
- * @file lib/testing_api_trait_uuid.c
+ * @file testing/testing_api_trait_uuid.c
  * @brief offer any trait that is passed over as a uuid.
  * @author Jonathan Buchanan
  */
diff --git a/src/util/yna.c b/src/util/yna.c
index fa7cf9348..849561a5a 100644
--- a/src/util/yna.c
+++ b/src/util/yna.c
@@ -28,7 +28,7 @@
  * @param connection connection to take query argument from
  * @param arg argument to try for
  * @param default_val value to assign if the argument is not present
- * @param[out] value to set
+ * @param[out] yna value to set
  * @return true on success, false if the parameter was malformed
  */
 bool