diff --git a/etc/build/config.props b/etc/build/config.props
index 36c85d6..416dad1 100644
--- a/etc/build/config.props
+++ b/etc/build/config.props
@@ -5,5 +5,5 @@
 //   18 Mar 2019  Brian Frank  Creation
 //
 
-buildVersion=3.9.11
+buildVersion=3.9.12
 
diff --git a/src/backup.zip b/src/backup.zip
deleted file mode 100644
index d70df6c..0000000
Binary files a/src/backup.zip and /dev/null differ
diff --git a/src/docHaystack/doc/ChangeLog.fandoc b/src/docHaystack/doc/ChangeLog.fandoc
index 4ed34b1..555f5fe 100644
--- a/src/docHaystack/doc/ChangeLog.fandoc
+++ b/src/docHaystack/doc/ChangeLog.fandoc
@@ -6,7 +6,7 @@
 ** license:    Licensed under the Academic Free License version 3.0
 **************************************************************************
 
-**Version 3.9.12 (working)**
+**Version 3.9.12 (21 Apr 2022)**
 - #935: Redesign choice to use simple subtypes and tagOn
 - #936: Redesign pointFunction, pointSubject, pipeFluid, tankSubstance as choice+of
 - #939: Remove equipFunction taxonomy
diff --git a/src/ph/lib/lib.trio b/src/ph/lib/lib.trio
index 423c8ee..cf859ba 100644
--- a/src/ph/lib/lib.trio
+++ b/src/ph/lib/lib.trio
@@ -9,7 +9,6 @@
 --------------------------------------------------------------------------
 def: ^lib:ph
 doc: "Project Haystack core definitions"
-version: "3.9.11"
+version: "3.9.12"
 baseUri: `https://project-haystack.org/def/ph/`
 --------------------------------------------------------------------------
-
diff --git a/src/ph/lib/misc.trio b/src/ph/lib/misc.trio
index 5a14f26..8e72ff0 100644
--- a/src/ph/lib/misc.trio
+++ b/src/ph/lib/misc.trio
@@ -19,7 +19,7 @@ doc: "Haystack filter string.  See `docHaystack::Filters`"
 def: ^kind
 is: ^str
 doc:
-  Kind name used before Haystack 4.0 to identity data types
+  Kind name used to identity a value data type
 enum:
   - Marker: is-a label
   - Bool: true or false
diff --git a/src/phIct/lib/lib.trio b/src/phIct/lib/lib.trio
index 9c74204..4f4cd7a 100644
--- a/src/phIct/lib/lib.trio
+++ b/src/phIct/lib/lib.trio
@@ -8,7 +8,7 @@
 
 --------------------------------------------------------------------------
 def: ^lib:phIct
-version: "3.9.11"
+version: "3.9.12"
 baseUri: `https://project-haystack.org/def/phIct/`
 depends: [^lib:ph, ^lib:phIoT]
 wikipedia: `https://en.wikipedia.org/wiki/Information_and_communications_technology`
@@ -17,4 +17,3 @@ doc:
   This includes microprocessor based hardware, software, and networking
   technologies.
 --------------------------------------------------------------------------
-
diff --git a/src/phIoT/lib/lib.trio b/src/phIoT/lib/lib.trio
index 252498f..5d00ee1 100644
--- a/src/phIoT/lib/lib.trio
+++ b/src/phIoT/lib/lib.trio
@@ -8,10 +8,9 @@
 
 --------------------------------------------------------------------------
 def: ^lib:phIoT
-version: "3.9.11"
+version: "3.9.12"
 baseUri: `https://project-haystack.org/def/phIoT/`
 wikipedia: `https://en.wikipedia.org/wiki/Internet_of_things`
 depends: [^lib:ph, ^lib:phScience]
 doc: "Project Haystack definitions for Internet of Things"
 --------------------------------------------------------------------------
-
diff --git a/src/phScience/lib/lib.trio b/src/phScience/lib/lib.trio
index cc4f455..7c07202 100644
--- a/src/phScience/lib/lib.trio
+++ b/src/phScience/lib/lib.trio
@@ -9,8 +9,7 @@
 --------------------------------------------------------------------------
 def: ^lib:phScience
 doc: "Project Haystack scientific definitions"
-version: "3.9.11"
+version: "3.9.12"
 baseUri: `https://project-haystack.org/def/phScience/`
 depends: [^lib:ph]
 --------------------------------------------------------------------------
-