diff --git a/tcl.changes b/tcl.changes
index 911725d..b78a523 100644
--- a/tcl.changes
+++ b/tcl.changes
@@ -1,3 +1,41 @@
+-------------------------------------------------------------------
+Tue Jul 26 14:58:02 UTC 2016 - max@suse.com
+
+- New version 8.6.6:
+  * (bug)[803042] mem leak due to reference cycle.
+  * (bug)[bbc304] reflected watch race condition.
+  * (bug)[fadc99] compile-5.3.
+  * (enhancement)[1a25fd] compile [variable ${ns}::v]
+  * (bug)[1af8de] crash in compiled [string replace]
+  * (bug)[d30718] segv in notifier finalize
+  * (enhancement)[7d0db7] parallel make
+  * [f12535] enable test bindings customization
+  * (bug)[47ac84] compiled [lreplace] fixes
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (bug)[866368] RE \w includes 'Punctuation Connector'
+  * [07d13d] Restore TclBlend support lost in 8.6.1
+  * (bug)[3154ea] Mem corruption in assembler exceptions
+  * (bug) registry package support any Unicode env
+    => registry 1.3.2
+  * (bug)[f7d4e] [namespace delete] performance
+  * (TIP 447) execution time verbosity option
+    => tcltest 2.4.0
+  * (bug)[16828b] crash due to [vwait] trace undo fail
+  * (enhancement)[4b61af] good [info frame] from more cases.
+  * (bug)[c383eb] crash in [glob -path a]
+  * (update) Update Unicode data to 9.0 (nijtmans)
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (bug)[16896d] Tcl_DString tolerate append to self.
+  * (bug)[d55322] crash in [dict update].
+  * (bug)[dd260a] crash in [chan configure -dictionary].
+  * (bug)[f961d7] usage message with parameters with spaces.
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (enhancement)[09fabc] Sort order of -relateddir.
+  * (bug)[1493a4] [namespace upvar] use of resolvers.
+        *** POTENTIAL INCOMPATIBILITY ***
+  * (bug)[da340d] integer division in clock math.
+- Fix %check ("make test" was run in the wrong directory).
+
 -------------------------------------------------------------------
 Tue Mar  1 08:53:00 UTC 2016 - fweiss@suse.com
 
diff --git a/tcl.spec b/tcl.spec
index 4ace0d3..55527fe 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -18,9 +18,10 @@
 
 Name:           tcl
 Url:            http://www.tcl.tk
-Version:        8.6.5
+Version:        8.6.6
 Release:        0
-%define         rrc %{nil}
+%define         rrc rc2
+#%{nil}
 %define TCL_MINOR %(echo %version | cut -c1-3)
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Summary:        The Tcl Programming Language
@@ -93,14 +94,13 @@ make %{?_smp_mflags} \
 	TCL_PACKAGE_PATH="%_libdir/tcl %_datadir/tcl"
 
 %check
+cd unix
 # Some of the regressioin tests write to $HOME, so better redirect them
 mkdir home
 export HOME=$PWD/home
 # Run the testsuite to gather some data for the profile-based
 # optimisation and let rpmbuild fail on unexpected test failures.
 cat > known-failures <<EOF
-httpold-4.12
-mathop-25.14
 EOF
 %ifnarch %arm
 make test 2>&1 | tee testresults
diff --git a/tcl8.6.5-src.tar.gz b/tcl8.6.5-src.tar.gz
deleted file mode 100644
index 7af2a3d..0000000
--- a/tcl8.6.5-src.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ce26d5b9c7504fc25d2f10ef0b82b14cf117315445b5afa9e673ed331830fb53
-size 9398130
diff --git a/tcl8.6.6rc2-src.tar.gz b/tcl8.6.6rc2-src.tar.gz
new file mode 100644
index 0000000..f4525e9
--- /dev/null
+++ b/tcl8.6.6rc2-src.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a265409781e4b3edcc4ef822533071b34c3dc6790b893963809b9fe221befe07
+size 9553805