diff --git a/NEWS b/NEWS
index aab20cc2f..fb27d93d6 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-New in spot 2.3.4.dev (not yet released)
+New in spot 2.3.5.dev (not yet released)
 
   Tools:
 
@@ -139,23 +139,6 @@ New in spot 2.3.4.dev (not yet released)
   - The 'spot.gen' package exports the functions from libspotgen.
     See https://spot.lrde.epita.fr/ipynb/gen.html for examples.
 
-  Bugs fixed:
-
-  - We have fixed new cases where translating multiple formula in a
-    single ltl2tgba run could produce automata different from those
-    produced by individual runs.
-
-  - The print_dot() function had a couple of issues when printing
-    alternating automata: in particular, when using flag 's' (display
-    SCC) or 'y' (split universal destination by colors) universal
-    edges could be connected to undefined states.
-
-  - Using --stats=%s or --stats=%s or --stats=%t could take an
-    unnecessary long time on automata with many atomic propositions,
-    due to a typo.  Furthermore, %s/%e/%t/%E/%T were printing
-    a number of reachable states/edges/transitions, but %S was
-    incorrectly counting all states even unreachable.
-
   Backward-incompatible changes:
 
   - spot::acc_cond::mark_t::operator bool() has been marked as
@@ -187,6 +170,28 @@ New in spot 2.3.4.dev (not yet released)
     spot::twa::prop_deterministic() as a deprecated synonym for
     spot::twa::prop_universal() to help backward compatibility.
 
+New in spot 2.3.5 (2017-06-22)
+
+  Bugs fixed:
+
+  - We have fixed new cases where translating multiple formulas in a
+    single ltl2tgba run could produce automata different from those
+    produced by individual runs.
+
+  - The print_dot() function had a couple of issues when printing
+    alternating automata: in particular, when using flag 's' (display
+    SCC) or 'y' (split universal destination by colors) universal
+    edges could be connected to undefined states.
+
+  - Using --stats=%s or --stats=%s or --stats=%t could take an
+    unnecessary long time on automata with many atomic propositions,
+    due to a typo.  Furthermore, %s/%e/%t/%E/%T were printing
+    a number of reachable states/edges/transitions, but %S was
+    incorrectly counting all states even unreachable.
+
+  - Our verson of BuDDy had an incorrect optimization for the
+    biimp operator.
+
 New in spot 2.3.4 (2017-05-11)
 
   Bugs fixed:
diff --git a/configure.ac b/configure.ac
index fec0ae2ea..79014e54d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.61])
-AC_INIT([spot], [2.3.4.dev], [spot@lrde.epita.fr])
+AC_INIT([spot], [2.3.5.dev], [spot@lrde.epita.fr])
 AC_CONFIG_AUX_DIR([tools])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.11 gnu tar-ustar color-tests parallel-tests])
diff --git a/doc/org/setup.org b/doc/org/setup.org
index 9e28e96ca..d1b1c869d 100644
--- a/doc/org/setup.org
+++ b/doc/org/setup.org
@@ -1,8 +1,8 @@
 #+OPTIONS: H:2 num:nil toc:t html-postamble:nil
 #+EMAIL: spot@lrde.epita.fr
 #+HTML_LINK_HOME: index.html
-#+MACRO: SPOTVERSION 2.3.4
-#+MACRO: LASTRELEASE 2.3.4
-#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.3.4.tar.gz][=spot-2.3.4.tar.gz=]]
-#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-3-4/NEWS][summary of the changes]]
-#+MACRO: LASTDATE 2017-05-11
+#+MACRO: SPOTVERSION 2.3.5
+#+MACRO: LASTRELEASE 2.3.5
+#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.3.5.tar.gz][=spot-2.3.5.tar.gz=]]
+#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-3-5/NEWS][summary of the changes]]
+#+MACRO: LASTDATE 2017-06-22