diff --git a/LANGUAGES.md b/LANGUAGES.md
index acf9083..24a3cf5 100644
--- a/LANGUAGES.md
+++ b/LANGUAGES.md
@@ -48,7 +48,7 @@
 <td align=left><a href="lib/c_glib/README.md">C (glib)</a></td>
 <!-- Since -----------------><td>0.6.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
-<!-- Language Levels -------><td>2.48.2</td><td>2.54.0</td>
+<!-- Language Levels -------><td>2.48.2</td><td>2.56.0</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -92,7 +92,7 @@
 <td align=left><a href="lib/cl/README.md">Common Lisp</a></td>
 <!-- Since -----------------><td>0.12.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>SBCL 1.4.5</td><td>SBCL 1.4.9</td>
+<!-- Language Levels -------><td>SBCL 1.4.5</td><td>SBCL 1.4.15</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -103,7 +103,7 @@
 <td align=left><a href="lib/d/README.md">Dlang</a></td>
 <!-- Since -----------------><td>0.9.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>2.075.1</td><td>2.081.0</td>
+<!-- Language Levels -------><td>2.075.1</td><td>2.083.2</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
@@ -136,7 +136,7 @@
 <td align=left><a href="lib/netcore/README.md">.NET Core</a></td>
 <!-- Since -----------------><td>0.11.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td colspan=2>2.1.4</td>
+<!-- Language Levels -------><td>2.1.4</td><td>2.2.101</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -158,7 +158,7 @@
 <td align=left><a href="lib/go/README.md">Go</a></td>
 <!-- Since -----------------><td>0.7.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>1.7.6</td><td>1.10.3</td>
+<!-- Language Levels -------><td>1.7.6</td><td>1.11.4</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -191,7 +191,7 @@
 <td align=left><a href="lib/java/README.md">Java (SE)</a></td>
 <!-- Since -----------------><td>0.2.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
-<!-- Language Levels -------><td colspan=2>1.8.0_151</td>
+<!-- Language Levels -------><td>1.8.0_151</td><td>1.8.0_191</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -235,7 +235,7 @@
 <td align=left><a href="lib/nodejs/README.md">node.js</a></td>
 <!-- Since -----------------><td>0.6.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>6.x</td><td>8.11.3</td>
+<!-- Language Levels -------><td>6.x</td><td>8.x</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -268,7 +268,7 @@
 <td align=left><a href="lib/perl/README.md">Perl</a></td>
 <!-- Since -----------------><td>0.2.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>5.22.1</td><td>5.26.0</td>
+<!-- Language Levels -------><td>5.22.1</td><td>5.26.1</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -279,7 +279,7 @@
 <td align=left><a href="lib/php/README.md">PHP</a></td>
 <!-- Since -----------------><td>0.2.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>7.0.22</td><td>7.1.8</td>
+<!-- Language Levels -------><td>7.0.22</td><td>7.2.10</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -290,7 +290,7 @@
 <td align=left><a href="lib/py/README.md">Python</a></td>
 <!-- Since -----------------><td>0.2.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
-<!-- Language Levels -------><td>2.7.12, 3.5.2</td><td>2.7.14, 3.6.3</td>
+<!-- Language Levels -------><td>2.7.12, 3.5.2</td><td>2.7.15rc1, 3.6.7</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -301,7 +301,7 @@
 <td align=left><a href="lib/rb/README.md">Ruby</a></td>
 <!-- Since -----------------><td>0.2.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>2.3.1p112</td><td>2.3.3p222</td>
+<!-- Language Levels -------><td>2.3.1p112</td><td>2.5.1p57</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -312,7 +312,7 @@
 <td align=left><a href="lib/rs/README.md">Rust</a></td>
 <!-- Since -----------------><td>0.11.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
-<!-- Language Levels -------><td>1.17.0</td><td>1.21.0</td>
+<!-- Language Levels -------><td>1.17.0</td><td>1.30.0</td>
 <!-- Low-Level Transports --><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Transport Wrappers ----><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Protocols -------------><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
diff --git a/build/docker/README.md b/build/docker/README.md
index d0a8388..966d690 100644
--- a/build/docker/README.md
+++ b/build/docker/README.md
@@ -167,32 +167,32 @@
 
 | Language  | ubuntu-xenial | ubuntu-bionic | Notes |
 | :-------- | :------------ | :------------ | :---- |
-| as of     | Mar 06, 2018  | Jul 6, 2018   |       |
+| as of     | Mar 06, 2018  | Jan 4, 2019   |       |
 | as3       |               |               | Not in CI |
 | C++ gcc   | 5.4.0         | 7.3.0         |       |
 | C++ clang | 3.8           | 6.0           |       |
 | C# (mono) | 4.2.1.0       | 4.6.2.7       |       |
 | c_glib    | 2.48.2        | 2.56.0        |       |
-| cl (sbcl) |               | 1.4.9         |       |
+| cl (sbcl) |               | 1.4.15        |       |
 | cocoa     |               |               | Not in CI |
-| d         | 2.075.1       | 2.081.0       |       |
+| d         | 2.075.1       | 2.083.1       |       |
 | dart      | 1.22.1        | 1.24.3        |       |
 | delphi    |               |               | Not in CI |
-| dotnet    | 2.1.4         | 2.1.301       |       |
+| dotnet    | 2.1.4         | 2.2.101       |       |
 | erlang    | 18.3          | 20.2.2        |       |
-| go        | 1.7.6         | 1.10.3        |       |
+| go        | 1.7.6         | 1.11.4        |       |
 | haskell   | 7.10.3        | 8.0.2         |       |
 | haxe      | 3.2.1         | 3.4.4         | THRIFT-4352: avoid 3.4.2 |
-| java      | 1.8.0_151     | 1.8.0_171     |       |
+| java      | 1.8.0_151     | 1.8.0_191     |       |
 | js        |               |               | Unsure how to look for version info? |
 | lua       | 5.2.4         | 5.2.4         | Lua 5.3: see THRIFT-4386 |
-| nodejs    | 6.13.0        | 8.11.3        |       |
+| nodejs    | 6.13.0        | 8.15.0        |       |
 | ocaml     |               | 4.05.0        | THRIFT-4517: ocaml 4.02.3 on xenial appears broken |
 | perl      | 5.22.1        | 5.26.1        |       |
-| php       | 7.0.22        | 7.2.5         |       |
+| php       | 7.0.22        | 7.2.10        |       |
 | python    | 2.7.12        | 2.7.15rc1     |       |
-| python3   | 3.5.2         | 3.6.5         |       |
+| python3   | 3.5.2         | 3.6.7         |       |
 | ruby      | 2.3.1p112     | 2.5.1p57      |       |
-| rust      | 1.17.0        | 1.24.1        |       |
+| rust      | 1.17.0        | 1.30.0        |       |
 | smalltalk |               |               | Not in CI |
-| swift     |               |               | Not in CI |
+| swift     |               | 4.2.1         |       |
diff --git a/build/docker/ubuntu-bionic/Dockerfile b/build/docker/ubuntu-bionic/Dockerfile
index 5ad4c84..43c99a9 100644
--- a/build/docker/ubuntu-bionic/Dockerfile
+++ b/build/docker/ubuntu-bionic/Dockerfile
@@ -89,11 +89,11 @@
 `# csharp (mono) dependencies` \
       mono-devel
 
-ENV SBCL_VERSION 1.4.12
+ENV SBCL_VERSION 1.4.15
 RUN \
 `# Common Lisp (sbcl) dependencies` \
     curl --version && \
-    curl -O -J -L https://kent.dl.sourceforge.net/project/sbcl/sbcl/${SBCL_VERSION}/sbcl-${SBCL_VERSION}-x86-64-linux-binary.tar.bz2 && \
+    curl -o sbcl-${SBCL_VERSION}-x86-64-linux-binary.tar.bz2 -J -L https://sourceforge.net/projects/sbcl/files/sbcl/${SBCL_VERSION}/sbcl-${SBCL_VERSION}-x86-64-linux-binary.tar.bz2/download?use_mirror=managedway# && \
     tar xjf sbcl-${SBCL_VERSION}-x86-64-linux-binary.tar.bz2 && \
     cd sbcl-${SBCL_VERSION}-x86-64-linux && \
     ./install.sh && \
@@ -101,18 +101,18 @@
     cd .. && \
     rm -rf sbcl*
 
-ENV D_VERSION     2.082.1
-ENV DMD_DEB       dmd_2.082.1-0_amd64.deb
+ENV D_VERSION     2.083.1
+ENV DMD_DEB       dmd_2.083.1-0_amd64.deb
 RUN \
 `# D dependencies` \
     wget -q http://downloads.dlang.org/releases/2.x/${D_VERSION}/${DMD_DEB} && \
     dpkg --install ${DMD_DEB} && \
     rm -f ${DMD_DEB} && \
     mkdir -p /usr/include/dmd/druntime/import/deimos /usr/include/dmd/druntime/import/C && \
-    curl -sSL https://github.com/D-Programming-Deimos/libevent/archive/master.tar.gz| tar xz && \
-    mv libevent-master/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
-    mv libevent-master/C/* /usr/include/dmd/druntime/import/C/ && \
-    rm -rf libevent-master && \
+    git clone -b 'v2.0.2+2.0.16' https://github.com/D-Programming-Deimos/libevent.git deimos-libevent-2.0 && \
+    mv deimos-libevent-2.0/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
+    mv deimos-libevent-2.0/C/* /usr/include/dmd/druntime/import/C/ && \
+    rm -rf deimos-libevent-2.0 && \
     git clone -b 'v2.0.0+1.1.0h' https://github.com/D-Programming-Deimos/openssl.git deimos-openssl-1.1.0h && \
     mv deimos-openssl-1.1.0h/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
     mv deimos-openssl-1.1.0h/C/* /usr/include/dmd/druntime/import/C/ && \
@@ -125,7 +125,7 @@
 
 RUN apt-get install -y --no-install-recommends \
 `# dotnet core dependencies` \
-      dotnet-sdk-2.1
+      dotnet-sdk-2.2
 
 RUN apt-get install -y --no-install-recommends \
 `# Erlang dependencies` \
@@ -140,9 +140,9 @@
       libglib2.0-dev
 
 # golang
-ENV GOLANG_VERSION 1.11.1
+ENV GOLANG_VERSION 1.11.4
 ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
-ENV GOLANG_DOWNLOAD_SHA256 2871270d8ff0c8c69f161aaae42f9f28739855ff5c5204752a8d92a1c9f63993
+ENV GOLANG_DOWNLOAD_SHA256 fb26c30e6a04ad937bbc657a1b5bba92f80096af1e8ee6da6430c045a8db3a5b
 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz && \
       echo "$GOLANG_DOWNLOAD_SHA256  golang.tar.gz" | sha256sum -c - && \
             tar -C /usr/local -xzf golang.tar.gz && \