diff --git a/.travis.yml b/.travis.yml
index f49873942..f51985dbc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,26 @@
 language: erlang
 
 env:
+# Tested platforms and versions:
+# #
+# # GemStone
+# #  GemStone-2.4.x
+# #  GemStone-3.1.x
+# #  GemStone-3.2.x
+# #
+# # Pharo
+# #  Pharo-1.4
+# #  Pharo-2.0
+# #  Pharo-3.0
+# #  Pharo-4.0
+# #
+# # Squeak
+# #  Squeak-4.3 (not all tests are passing)
+# #  Squeak-4.4
+# #  Squeak-4.5
+# #  Squeak-4.6
+# #  Squeak-5.0
+# #  Squeak-Trunk
    - ST=Pharo-1.4 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
    - ST=Pharo-2.0 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
 #   - ST=Pharo-3.0 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st # preview is present in Pharo-3.0, bootstrap not appropriate
@@ -9,6 +29,8 @@ env:
 #
    - ST=Squeak-4.4 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
    - ST=Squeak-4.5 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
+   - ST=Squeak-4.6 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
+   - ST=Squeak-5.0 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
 #   - ST=Squeak-Trunk BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st # https://github.com/dalehenrich/metacello-work/issues/308 ... not going to be fixed
    - ST=GemStone-2.4.5.1 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
    - ST=GemStone-2.4.4.7 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
@@ -16,20 +38,22 @@ env:
    - ST=GemStone-3.1.0.6 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st
 #   - ST=GemStone-3.2.0 BUILD_ARG=-X TRAVIS_SCRIPT=previewBootstrap.st # no need to test 3.2.x+ with preview
 
-   - ST=PharoCore-1.1 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
-   - ST=PharoCore-1.2 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
-   - ST=PharoCore-1.3 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
+#   - ST=PharoCore-1.1 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
+#   - ST=PharoCore-1.2 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
+#   - ST=PharoCore-1.3 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
    - ST=Pharo-1.4 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
 #   - ST=Pharo-2.0 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st # do not test against 1.0-beta.31.1.x
 #   - ST=Pharo-3.0 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st # do not test against 1.0-beta.31.1.x
 #   - ST=Squeak-4.3 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st # 4.3 has been disabled for awhile on master branch ... not sure why, but tests are failing
    - ST=Squeak-4.4 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st
    - ST=Squeak-4.5 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st 
+   - ST=Squeak-4.6 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st 
+   - ST=Squeak-5.0 BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st 
 #   - ST=Squeak-Trunk BUILD_ARG=-X TRAVIS_SCRIPT=travisCI.st # https://github.com/dalehenrich/metacello-work/issues/308 ... not going to be fixed
 
-   - ST=PharoCore-1.1 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
-   - ST=PharoCore-1.2 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
-   - ST=PharoCore-1.3 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
+#   - ST=PharoCore-1.1 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
+#   - ST=PharoCore-1.2 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
+#   - ST=PharoCore-1.3 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=Pharo-1.4 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=Pharo-2.0 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=Pharo-3.0 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
@@ -38,6 +62,8 @@ env:
 #   - ST=Squeak-4.3 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=Squeak-4.4 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=Squeak-4.5 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
+   - ST=Squeak-4.6 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
+   - ST=Squeak-5.0 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=Squeak-Trunk BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
 
    #  GemStone should only be tested with Preview only (for now)
@@ -48,7 +74,7 @@ env:
    - ST=GemStone-3.0.1 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=GemStone-3.1.0.6 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
    - ST=GemStone-3.2.0 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
-   - ST=GemStone-3.2.2 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
+   - ST=GemStone-3.2.7 BUILD_ARG=-m TRAVIS_SCRIPT=travisPreviewCI.st
 
 install:
    - export PROJECT_HOME="$(pwd)"