diff --git a/feed/history/boost_1_68_0.qbk b/feed/history/boost_1_68_0.qbk
index 26a1ba1f..1bfe2a58 100644
--- a/feed/history/boost_1_68_0.qbk
+++ b/feed/history/boost_1_68_0.qbk
@@ -41,6 +41,13 @@
   * Fix some issues in tests and examples
     ([github_pr graph 85], [github_pr graph 105])
 
+* [phrase library..[@/libs/predef/ Predef]:]
+  * Add support for __ARM_ARCH macro. (from Tim Blechmann)
+  * Add detection for PTX architecture. (from Benjamin Worpitz)
+  * Add nvcc compiler detection. (from Benjamin Worpitz)
+  * Add support for detecting CUDA. (from Benjamin Worpitz)
+  * Remove reference to obsolete BOOST_ARCH_AMD64. (from Peter Kolbus)
+
 [/ Example:
 * [phrase library..[@/libs/interprocess/ Interprocess]:]
   * Added anonymous shared memory for UNIX systems.