diff --git a/LANGUAGES.md b/LANGUAGES.md
index 9368478..76c2513 100644
--- a/LANGUAGES.md
+++ b/LANGUAGES.md
@@ -1,6 +1,8 @@
 # Apache Thrift Language Support #
 
-Guidance For: 0.15.0 | 
+Guidance For: 0.17.0 | 
+[0.16.0](https://github.com/apache/thrift/blob/v0.16.0/LANGUAGES.md) | 
+[0.15.0](https://github.com/apache/thrift/blob/v0.15.0/LANGUAGES.md) | 
 [0.14.0](https://github.com/apache/thrift/blob/v0.14.0/LANGUAGES.md) | 
 [0.13.0](https://github.com/apache/thrift/blob/v0.13.0/LANGUAGES.md) | 
 [0.12.0](https://github.com/apache/thrift/blob/v0.12.0/LANGUAGES.md) | 
@@ -43,6 +45,7 @@
 <th rowspan=2 align=center>Since</th>
 <th colspan=2 align=center>Build Systems</th>
 <th colspan=2 align=center>Lang/Lib Levels (Tested)</th>
+<th colspan=1 align=center>Field types</th>
 <th colspan=6 align=center>Low-Level Transports</th>
 <th colspan=4 align=center>Transport Wrappers</th>
 <th colspan=4 align=center>Protocols</th>
@@ -52,6 +55,7 @@
 <tr>
 <!-- Build Systems ---------><th>autoconf</th><th>cmake</th>
 <!-- Lang/Lib Levels -------><th>Min</th><th>Max</th>
+<!-- Field types -----------><th>Uuid</th>
 <!-- Low-Level Transports --><th><a href="https://en.wikipedia.org/wiki/Unix_domain_socket">Domain</a></th><th>&nbsp;File&nbsp;</th><th>Memory</th><th>&nbsp;Pipe&nbsp;</th><th>Socket</th><th>&nbsp;TLS&nbsp;</th>
 <!-- Transport Wrappers ----><th>Framed</th><th>Header</th><th>&nbsp;http&nbsp;</th><th>&nbsp;zlib&nbsp;</th>
 <!-- Protocols -------------><th><a href="doc/specs/thrift-binary-protocol.md">Binary</a></th><th><a href="doc/specs/thrift-compact-protocol.md">Compact</a></th><th>&nbsp;JSON&nbsp;</th><th>Multiplex</th>
@@ -64,6 +68,7 @@
 <!-- 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>2.56.4</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Low-Level Transports --><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><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><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>
@@ -75,6 +80,7 @@
 <!-- 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>C++11</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Low-Level Transports --><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><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><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>
@@ -86,6 +92,7 @@
 <!-- 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.x</td><td>SBCL 1.5.3</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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><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>
@@ -97,6 +104,7 @@
 <!-- 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>2.087.0</td><td>2.087.0</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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/cred.png" alt=""/></td>
@@ -108,6 +116,7 @@
 <!-- Since -----------------><td>0.10.0</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>2.0.0</td><td>2.4.0</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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/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>
@@ -119,6 +128,7 @@
 <!-- Since -----------------><td>0.8.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Language Levels -------><td>2010</td><td>Sydney 10.4.1</td>
+<!-- Field types -----------><td><img src="doc/images/cgrn.png" alt="Yes"/><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/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/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>
@@ -130,6 +140,7 @@
 <!-- Since -----------------><td>0.13.0</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>.NET 4.5+, .NET Standard 2.x, .NET 5.0</td>
+<!-- Field types -----------><td><img src="doc/images/cgrn.png" alt="Yes"/><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/cred.png" alt=""/></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>
@@ -141,6 +152,7 @@
 <!-- Since -----------------><td>0.3.0</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>18.3</td><td>22.0</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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>
@@ -152,6 +164,7 @@
 <!-- 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>1.17.9</td><td>1.18.1</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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><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>
@@ -163,6 +176,7 @@
 <!-- Since -----------------><td>0.9.3</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>4.1.5</td><td>4.2.1</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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/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>
@@ -174,6 +188,7 @@
 <!-- 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>1.8.0_151</td><td>11.0.3</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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>
@@ -185,6 +200,7 @@
 <!-- Since -----------------><td>0.5.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Language Levels -------><td colspan=2>unknown</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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>
 <!-- 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/cred.png" alt=""/></td>
@@ -196,6 +212,7 @@
 <!-- Since -----------------><td>0.3.0</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>ES5</td><td>ES6</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/cred.png" alt=""/></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/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>
@@ -207,6 +224,7 @@
 <!-- Since -----------------><td>0.9.2</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>5.1.5</td><td>5.2.4</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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/cred.png" alt=""/></td>
@@ -218,6 +236,7 @@
 <!-- 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>10.x</td><td>10.x</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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>
@@ -229,6 +248,7 @@
 <!-- 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>3.1.6</td><td></td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/cred.png" alt=""/></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=""/></td><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
@@ -240,6 +260,7 @@
 <!-- Since -----------------><td>0.2.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Language Levels -------><td colspan=2>4.04.0</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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><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/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
@@ -251,6 +272,7 @@
 <!-- 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>5.26.1</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/cred.png" alt=""/></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>
@@ -262,6 +284,7 @@
 <!-- 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>7.2.19</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/cred.png" alt=""/></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>
@@ -273,6 +296,7 @@
 <!-- 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>2.7.15, 3.6.8</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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>
 <!-- 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>
@@ -284,6 +308,7 @@
 <!-- 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>2.5.1p57</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/cred.png" alt=""/></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>
@@ -295,6 +320,7 @@
 <!-- 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>1.40.0</td><td>1.xx.x</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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><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>
@@ -306,6 +332,7 @@
 <!-- Since -----------------><td>0.2.0</td>
 <!-- Build Systems ---------><td><img src="doc/images/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
 <!-- Language Levels -------><td colspan=2>unknown</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/cred.png" alt=""/></td>
 <!-- Transport Wrappers ----><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>
 <!-- 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/cred.png" alt=""/></td><td><img src="doc/images/cred.png" alt=""/></td>
@@ -317,6 +344,7 @@
 <!-- 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 colspan=2>4.2.1</td>
+<!-- Field types -----------><td><img src="doc/images/cred.png" alt=""/></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/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/cred.png" alt=""/></td><td><img src="doc/images/cgrn.png" alt="Yes"/></td>
@@ -330,6 +358,7 @@
 <th rowspan=2 align=center>Since</th>
 <!-- Build Systems ---------><th>autoconf</th><th>cmake</th>
 <!-- Lang/Lib Levels -------><th>Min</th><th>Max</th>
+<!-- Field types -----------><th>Uuid</th>
 <!-- Low-Level Transports --><th><a href="https://en.wikipedia.org/wiki/Unix_domain_socket">Domain</a></th></th><th>&nbsp;File&nbsp;</th><th>Memory</th><th>&nbsp;Pipe&nbsp;</th><th>Socket</th><th>&nbsp;TLS&nbsp;</th>
 <!-- Transport Wrappers ----><th>Framed</th><th>Header</th><th>&nbsp;http&nbsp;</th><th>&nbsp;zlib&nbsp;</th>
 <!-- Protocols -------------><th><a href="doc/specs/thrift-binary-protocol.md">Binary</a></th><th><a href="doc/specs/thrift-compact-protocol.md">Compact</a></th><th>&nbsp;JSON&nbsp;</th><th>Multiplex</th>
@@ -339,11 +368,11 @@
 <tr>
 <th colspan=2 align=center>Build Systems</th>
 <th colspan=2 align=center>Lang/Lib Levels (Tested)</th>
+<th colspan=1 align=center>Field types</th>
 <th colspan=6 align=center>Low-Level Transports</th>
 <th colspan=4 align=center>Transport Wrappers</th>
 <th colspan=4 align=center>Protocols</th>
 <th colspan=5 align=center>Servers</th>
 </tr>
 </tfoot>
-</ft
-table>
+</table>
diff --git a/doc/specs/idl.md b/doc/specs/idl.md
index 1c6a94a..7ae1af8 100644
--- a/doc/specs/idl.md
+++ b/doc/specs/idl.md
@@ -42,7 +42,7 @@
 
 ## Definition
 
-    [7]  Definition      ::=  Const | Typedef | Enum | Senum | Struct | Union | Exception | Service
+    [7]  Definition      ::=  Const | Typedef | Enum | Struct | Union | Exception | Service
 
 ### Const
 
@@ -60,17 +60,11 @@
 
     [10] Enum            ::=  'enum' Identifier '{' (Identifier ('=' IntConstant)? ListSeparator?)* '}'
 
-### Senum
-
-Senum (and Slist) are now deprecated and should both be replaced with String.
-
-    [11] Senum           ::=  'senum' Identifier '{' (Literal ListSeparator?)* '}'
-
 ### Struct
 
 Structs are the fundamental compositional type in Thrift. The name of each field must be unique within the struct.
 
-    [12] Struct          ::=  'struct' Identifier 'xsd_all'? '{' Field* '}'
+    [11] Struct          ::=  'struct' Identifier 'xsd_all'? '{' Field* '}'
 
 N.B.: The `xsd_all` keyword has some purpose internal to Facebook but serves no purpose in Thrift itself. Use of this feature is strongly discouraged
 
@@ -78,7 +72,7 @@
 
 Unions are similar to structs, except that they provide a means to transport exactly one field of a possible set of fields, just like union {} in C++. Consequently, union members are implicitly considered optional (see requiredness).
 
-    [13] Union          ::=  'union' Identifier 'xsd_all'? '{' Field* '}'
+    [12] Union          ::=  'union' Identifier 'xsd_all'? '{' Field* '}'
 
 N.B.: The `xsd_all` keyword has some purpose internal to Facebook but serves no purpose in Thrift itself. Use of this feature is strongly discouraged
 
@@ -86,27 +80,27 @@
 
 Exceptions are similar to structs except that they are intended to integrate with the native exception handling mechanisms in the target languages. The name of each field must be unique within the exception.
 
-    [14] Exception       ::=  'exception' Identifier '{' Field* '}'
+    [13] Exception       ::=  'exception' Identifier '{' Field* '}'
 
 ### Service
 
 A service provides the interface for a set of functionality provided by a Thrift server. The interface is simply a list of functions. A service can extend another service, which simply means that it provides the functions of the extended service in addition to its own.
 
-    [15] Service         ::=  'service' Identifier ( 'extends' Identifier )? '{' Function* '}'
+    [14] Service         ::=  'service' Identifier ( 'extends' Identifier )? '{' Function* '}'
 
 ## Field
 
-    [16] Field           ::=  FieldID? FieldReq? FieldType Identifier ('=' ConstValue)? XsdFieldOptions ListSeparator?
+    [15] Field           ::=  FieldID? FieldReq? FieldType Identifier ('=' ConstValue)? XsdFieldOptions ListSeparator?
 
 ### Field ID
 
-    [17] FieldID         ::=  IntConstant ':'
+    [16] FieldID         ::=  IntConstant ':'
 
 ### Field Requiredness
 
 There are two explicit requiredness values, and a third one that is applied implicitly if neither  *required* nor *optional* are given: *default* requiredness.
 
-    [18] FieldReq        ::=  'required' | 'optional' 
+    [17] FieldReq        ::=  'required' | 'optional' 
 
 The general rules for requiredness are as follows:
 
@@ -146,69 +140,69 @@
 
 N.B.: These have some internal purpose at Facebook but serve no current purpose in Thrift. The use of these options is strongly discouraged.
 
-    [19] XsdFieldOptions ::=  'xsd_optional'? 'xsd_nillable'? XsdAttrs?
+    [18] XsdFieldOptions ::=  'xsd_optional'? 'xsd_nillable'? XsdAttrs?
 
-    [20] XsdAttrs        ::=  'xsd_attrs' '{' Field* '}'
+    [19] XsdAttrs        ::=  'xsd_attrs' '{' Field* '}'
 
 ## Functions
 
-    [21] Function        ::=  'oneway'? FunctionType Identifier '(' Field* ')' Throws? ListSeparator?
+    [20] Function        ::=  'oneway'? FunctionType Identifier '(' Field* ')' Throws? ListSeparator?
 
-    [22] FunctionType    ::=  FieldType | 'void'
+    [21] FunctionType    ::=  FieldType | 'void'
 
-    [23] Throws          ::=  'throws' '(' Field* ')'
+    [22] Throws          ::=  'throws' '(' Field* ')'
 
 ## Types
 
-    [24] FieldType       ::=  Identifier | BaseType | ContainerType
+    [23] FieldType       ::=  Identifier | BaseType | ContainerType
 
-    [25] DefinitionType  ::=  BaseType | ContainerType
+    [24] DefinitionType  ::=  BaseType | ContainerType
 
-    [26] BaseType        ::=  'bool' | 'byte' | 'i8' | 'i16' | 'i32' | 'i64' | 'double' | 'string' | 'binary' | 'slist'
+    [25] BaseType        ::=  'bool' | 'byte' | 'i8' | 'i16' | 'i32' | 'i64' | 'double' | 'string' | 'binary' | 'uuid'
 
-    [27] ContainerType   ::=  MapType | SetType | ListType
+    [26] ContainerType   ::=  MapType | SetType | ListType
 
-    [28] MapType         ::=  'map' CppType? '<' FieldType ',' FieldType '>'
+    [27] MapType         ::=  'map' CppType? '<' FieldType ',' FieldType '>'
 
-    [29] SetType         ::=  'set' CppType? '<' FieldType '>'
+    [28] SetType         ::=  'set' CppType? '<' FieldType '>'
 
-    [30] ListType        ::=  'list' '<' FieldType '>' CppType?
+    [29] ListType        ::=  'list' '<' FieldType '>' CppType?
 
-    [31] CppType         ::=  'cpp_type' Literal
+    [30] CppType         ::=  'cpp_type' Literal
 
 ## Constant Values
 
-    [32] ConstValue      ::=  IntConstant | DoubleConstant | Literal | Identifier | ConstList | ConstMap
+    [31] ConstValue      ::=  IntConstant | DoubleConstant | Literal | Identifier | ConstList | ConstMap
 
-    [33] IntConstant     ::=  ('+' | '-')? Digit+
+    [32] IntConstant     ::=  ('+' | '-')? Digit+
 
-    [34] DoubleConstant  ::=  ('+' | '-')? Digit* ('.' Digit+)? ( ('E' | 'e') IntConstant )?
+    [33] DoubleConstant  ::=  ('+' | '-')? Digit* ('.' Digit+)? ( ('E' | 'e') IntConstant )?
 
-    [35] ConstList       ::=  '[' (ConstValue ListSeparator?)* ']'
+    [34] ConstList       ::=  '[' (ConstValue ListSeparator?)* ']'
 
-    [36] ConstMap        ::=  '{' (ConstValue ':' ConstValue ListSeparator?)* '}'
+    [35] ConstMap        ::=  '{' (ConstValue ':' ConstValue ListSeparator?)* '}'
 
 ## Basic Definitions
 
 ### Literal
 
-    [37] Literal         ::=  ('"' [^"]* '"') | ("'" [^']* "'")
+    [36] Literal         ::=  ('"' [^"]* '"') | ("'" [^']* "'")
 
 ### Identifier
 
-    [38] Identifier      ::=  ( Letter | '_' ) ( Letter | Digit | '.' | '_' )*
+    [37] Identifier      ::=  ( Letter | '_' ) ( Letter | Digit | '.' | '_' )*
 
-    [39] STIdentifier    ::=  ( Letter | '_' ) ( Letter | Digit | '.' | '_' | '-' )*
+    [38] STIdentifier    ::=  ( Letter | '_' ) ( Letter | Digit | '.' | '_' | '-' )*
 
 ### List Separator
 
-    [40] ListSeparator   ::=  ',' | ';'
+    [39] ListSeparator   ::=  ',' | ';'
 
 ### Letters and Digits
 
-    [41] Letter          ::=  ['A'-'Z'] | ['a'-'z']
+    [40] Letter          ::=  ['A'-'Z'] | ['a'-'z']
 
-    [42] Digit           ::=  ['0'-'9']
+    [41] Digit           ::=  ['0'-'9']
 
 ## Reserved keywords
 
diff --git a/doc/specs/thrift-binary-protocol.md b/doc/specs/thrift-binary-protocol.md
index 4284328..af4bd81 100644
--- a/doc/specs/thrift-binary-protocol.md
+++ b/doc/specs/thrift-binary-protocol.md
@@ -87,6 +87,15 @@
 
 Values of `bool` type are first converted to an int8. True is converted to `1`, false to `0`.
 
+### Universal unique identifier encoding
+
+Values of `uuid` type are expected as 16-byte binary in big endian (or "network") order. Byte order conversion 
+might be necessary on certain platforms, e.g. Windows holds GUIDs in a complex record-like structure whose 
+memory layout differs.
+
+*Note*: Since the length is fixed, no `byte length` prefix is necessary and the field is always 16 bytes long.
+
+
 ## Message
 
 A `Message` can be encoded in two different ways:
@@ -192,6 +201,7 @@
 * `MAP`, encoded as `13`
 * `SET`, encoded as `14`
 * `LIST`, encoded as `15`
+* `UUID`, encoded as `16`
 
 ## List and Set
 
diff --git a/doc/specs/thrift-compact-protocol.md b/doc/specs/thrift-compact-protocol.md
index 07cc562..a31a2d3 100644
--- a/doc/specs/thrift-compact-protocol.md
+++ b/doc/specs/thrift-compact-protocol.md
@@ -120,6 +120,15 @@
 list or map). Field values are encoded directly in the field header. Element values of type `bool` are sent as an int8;
 true as `1` and false as `0`.
 
+### Universal unique identifier encoding
+
+Values of `uuid` type are expected as 16-byte binary in big endian (or "network") order. Byte order conversion 
+might be necessary on certain platforms, e.g. Windows holds GUIDs in a complex record-like structure whose 
+memory layout differs.
+
+*Note*: Since the length is fixed, no `byte length` prefix is necessary and the field is always 16 bytes long.
+
+
 ## Message
 
 A `Message` on the wire looks as follows:
@@ -215,6 +224,7 @@
 * `SET`, encoded as `10`
 * `MAP`, encoded as `11`
 * `STRUCT`, used for both structs and union fields, encoded as `12`
+* `UUID`, encoded as `13`
 
 Note that because there are 2 specific field types for the boolean values, the encoding of a boolean field value has no
 length (0 bytes).
@@ -258,6 +268,7 @@
 * `SET`, encoded as `10`
 * `MAP`, encoded as `11`
 * `STRUCT`, used for structs and union fields, encoded as `12`
+* `UUID`, encoded as `13`
 
 *Note*: Although field-types and element-types lists are currently very similar, there is _no guarantee_ that this will
 remain true after new types are added.
diff --git a/doc/specs/thrift-protocol-spec.md b/doc/specs/thrift-protocol-spec.md
index 080487e..4b0efaf 100644
--- a/doc/specs/thrift-protocol-spec.md
+++ b/doc/specs/thrift-protocol-spec.md
@@ -67,6 +67,7 @@
 
     <field-type> ::= T_BOOL | T_BYTE | T_I8 | T_I16 | T_I32 | T_I64 | T_DOUBLE
                      | T_STRING | T_BINARY | T_STRUCT | T_MAP | T_SET | T_LIST
+                     | T_UUID
 
       <field-id> ::= I16