diff --git a/.appveyor.yml b/.appveyor.yml
index cf2e79351f..e186ed5fa6 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -4,75 +4,10 @@ environment:
       ARCH: win32x86
       CYG_ROOT: C:\cygwin
       MINGW_ARCH: i686
-    - FLAVOR: squeak.cog.spur
-      ARCH: win64x64
-      CYG_ROOT: C:\cygwin64
-      MINGW_ARCH: x86_64
-    - FLAVOR: pharo.cog.spur
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
     - FLAVOR: pharo.cog.spur
-      ARCH: win64x64
-      CYG_ROOT: C:\cygwin64
-      MINGW_ARCH: x86_64
-    - FLAVOR: squeak.sista.spur
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    - FLAVOR: squeak.cog.spur.lowcode
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    - FLAVOR: squeak.cog.v3
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    - FLAVOR: squeak.stack.spur
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    - FLAVOR: squeak.stack.v3
       ARCH: win32x86
       CYG_ROOT: C:\cygwin
       MINGW_ARCH: i686
-    - FLAVOR: pharo.sista.spur
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    - FLAVOR: pharo.cog.spur.lowcode
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    - FLAVOR: newspeak.cog.spur
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    - FLAVOR: newspeak.stack.spur
-      ARCH: win32x86
-      CYG_ROOT: C:\cygwin
-      MINGW_ARCH: i686
-    # - FLAVOR: pharo.sista.spur
-    #   ARCH: win64x64
-    #   CYG_ROOT: C:\cygwin64
-    #   MINGW_ARCH: x86_64
-    - FLAVOR: newspeak.cog.spur
-      ARCH: win64x64
-      CYG_ROOT: C:\cygwin64
-      MINGW_ARCH: x86_64
-    - FLAVOR: squeak.stack.spur
-      ARCH: win64x64
-      CYG_ROOT: C:\cygwin64
-      MINGW_ARCH: x86_64
-    - FLAVOR: pharo.stack.spur
-      ARCH: win64x64
-      CYG_ROOT: C:\cygwin64
-      MINGW_ARCH: x86_64
-    - FLAVOR: newspeak.stack.spur
-      ARCH: win64x64
-      CYG_ROOT: C:\cygwin64
-      MINGW_ARCH: x86_64
-
 
 matrix:
   fast_finish: true
diff --git a/.travis.yml b/.travis.yml
index b59f6cae24..0b8ffaad59 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,10 +11,6 @@ cache:
   - armchroot
   - .thirdparty-cache
 
-notifications:
-  slack:
-    secure: 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
-
 aliases:
   - &mac-build
     os: osx
@@ -27,86 +23,8 @@ notifications:
 jobs:
   fast_finish: true
   include:
-  - stage: "Main Squeak and Pharo builds"
-    env: ARCH="linux32x86" FLAVOR="squeak.cog.spur"
-  - env: ARCH="macos32x86" FLAVOR="squeak.cog.spur"
-    <<: *mac-build
-  - env: ARCH="linux64x64" FLAVOR="squeak.cog.spur"
-  - env: ARCH="macos64x64" FLAVOR="squeak.cog.spur"
-    <<: *mac-build
-  - env: ARCH="linux32x86" FLAVOR="pharo.cog.spur" HEARTBEAT="threaded"
-  - env: ARCH="macos32x86" FLAVOR="pharo.cog.spur"
-    <<: *mac-build
-  - env: ARCH="linux64x64" FLAVOR="pharo.cog.spur" HEARTBEAT="threaded"
-  - env: ARCH="macos64x64" FLAVOR="pharo.cog.spur"
-    <<: *mac-build
-
-  - stage: "Other Linux builds"
-    env: ARCH="linux64x64" FLAVOR="newspeak.cog.spur"
-  - env: ARCH="linux64x64" FLAVOR="pharo.cog.spur" HEARTBEAT="itimer"
-  # - env: ARCH="linux64x64" FLAVOR="pharo.sista.spur" HEARTBEAT="threaded"
-  - env: ARCH="linux32x86" FLAVOR="newspeak.cog.spur"
-  - env: ARCH="linux32x86" FLAVOR="squeak.cog.v3"
-  - env: ARCH="linux32x86" FLAVOR="squeak.sista.spur"
-  - env: ARCH="linux32x86" FLAVOR="pharo.cog.spur" HEARTBEAT="itimer"
-  - env: ARCH="linux32x86" FLAVOR="pharo.sista.spur" HEARTBEAT="threaded"
-    compiler: clang
-  - env: ARCH="linux32x86" FLAVOR="pharo.sista.spur" HEARTBEAT="itimer" 
-    compiler: clang
-
-  - stage: "Other Mac builds"
-    env: ARCH="macos64x64" FLAVOR="newspeak.cog.spur"
-    <<: *mac-build
-  # - env: ARCH="macos64x64" FLAVOR="pharo.sista.spur"
-  #   <<: *mac-build
-  - env: ARCH="macos64x64" FLAVOR="pharo.cog.spur.lowcode"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="newspeak.cog.spur"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="pharo.sista.spur"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="pharo.cog.spur.lowcode"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="squeak.cog.v3"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="squeak.sista.spur"
-    <<: *mac-build
-
-  - stage: "Stack builds"
-    env: ARCH="linux64x64" FLAVOR="newspeak.stack.spur"
-  - env: ARCH="linux64x64" FLAVOR="squeak.stack.spur"
-  - env: ARCH="linux32x86" FLAVOR="newspeak.stack.spur"
-  - env: ARCH="linux32x86" FLAVOR="squeak.stack.spur"
-  - env: ARCH="linux32x86" FLAVOR="squeak.stack.v3"
-  - env: ARCH="macos64x64" FLAVOR="pharo.stack.spur"
-    <<: *mac-build
-  - env: ARCH="macos64x64" FLAVOR="pharo.stack.spur.lowcode"
-    <<: *mac-build
-  - env: ARCH="macos64x64" FLAVOR="squeak.stack.spur"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="newspeak.stack.spur"
-    <<: *mac-build
-  - env: ARCH="macos64x64" FLAVOR="newspeak.stack.spur"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="pharo.stack.spur"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="pharo.stack.spur.lowcode"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="squeak.stack.spur"
-    <<: *mac-build
-  - env: ARCH="macos32x86" FLAVOR="squeak.stack.v3"
-    <<: *mac-build
-
   - stage: "linux32ARMv6 builds"
-    env: ARCH="linux32ARMv6" FLAVOR="newspeak.cog.spur" CHROOT="schroot -p -c rpi
-      -- bash -c "
-    dist: trusty
-    group: edge
-  - env: ARCH="linux32ARMv6" FLAVOR="newspeak.stack.spur" CHROOT="schroot -p -c rpi
-      -- bash -c "
-    dist: trusty
-    group: edge
-  - env: ARCH="linux32ARMv6" FLAVOR="squeak.cog.spur" CHROOT="schroot -p -c rpi --
+    env: ARCH="linux32ARMv6" FLAVOR="squeak.cog.spur" CHROOT="schroot -p -c rpi --
       bash -c "
     dist: trusty
     group: edge
@@ -114,14 +32,6 @@ jobs:
       bash -c "
     dist: trusty
     group: edge
-  - env: ARCH="linux32ARMv6" FLAVOR="squeak.stack.spur" CHROOT="schroot -p -c rpi
-      -- bash -c "
-    dist: trusty
-    group: edge
-  - env: ARCH="linux32ARMv6" FLAVOR="squeak.stack.v3" CHROOT="schroot -p -c rpi --
-      bash -c "
-    dist: trusty
-    group: edge
   allow_failures:
   - env: FLAVOR="squeak.sista.spur"
   - env: FLAVOR="pharo.sista.spur"
diff --git a/build.linux32ARMv6/pharo.cog.spur/build/mvm b/build.linux32ARMv6/pharo.cog.spur/build/mvm
index 018e1dc8cb..4c34e5e485 100755
--- a/build.linux32ARMv6/pharo.cog.spur/build/mvm
+++ b/build.linux32ARMv6/pharo.cog.spur/build/mvm
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -e
+set -ex
 # PharoVM with VM profiler and threaded heartbeat
 INSTALLDIR=phcogspurlinuxhtRPi
 # disable build of all dependencies by default because travis build takes too much time then fails.
@@ -12,7 +12,7 @@ else
 THIRDPARTYLIBS=
 EXTERNALPLUGINS="plugins.ext"
 fi
-OPT="-g -O2 -fwrapv -DNDEBUG -DDEBUGVM=0 -DPharoVM"
+OPT="-g -O2 -fwrapv -DNDEBUG -DDEBUGVM=0 -DPharoVM -DARM32"
 
 if [ $# -ge 1 ]; then
 	INSTALLDIR="$1"; shift
@@ -48,7 +48,8 @@ rm -f vm/sqUnixMain.o # nuke version info
 rm -rf ../../../products/$INSTALLDIR
 # prefer make install prefix=`readlink -f \`pwd\`/../../../products/$INSTALLDIR`
 # but older linux readlinks lack the -f flag and Raspbian lacks `readlinks`
-make -j4 install-squeak install-plugins prefix=`(cd ../../../;pwd)`/products/$INSTALLDIR 2>&1 | tee LOG
+set -o pipefail
+make install-squeak install-plugins prefix=`(cd ../../../;pwd)`/products/$INSTALLDIR 2>&1 | tee LOG
 productDir=`find ../../../products/$INSTALLDIR -name "5.0*"`
 productDir=`(cd $productDir;pwd)`
 for lib in ${THIRDPARTYLIBS}; do