Update history

Author: josdejong

HISTORY.md

@@ -1,5 +1,12 @@
 # History
 
+# unpublished changes since version 10.5.0
+
+- Fix #2526, #2529: improve TypeScript definitions of function `round`, `fix`,
+  `floor`, `ceil`, and `nthRoot`, and improved the number only implementations 
+  of those functions  (#2531, #2539). Thanks @simlaticak and @gwhitney.
+
+
 # 2022-04-19, version 10.5.0
 
 - Implement #1563: function `pinv`, Moore–Penrose inverse (#2521).