diff --git a/mdbook/src/preamble/version-history.md b/mdbook/src/preamble/version-history.md
index aa9a85c..e32ec9b 100644
--- a/mdbook/src/preamble/version-history.md
+++ b/mdbook/src/preamble/version-history.md
@@ -1,6 +1,10 @@
 Version history
 ===============
 
+Version 1.50 (2022):
+
+-   Added `timeSigOpenChinese` (U+EC87) to [Time signatures supplement](../tables/time-signatures-supplement.md) range ([#172](https://github.com/w3c/smufl/issues/172))
+
 Version 1.40 (2021-03-15):
 
 -   Added new font metadata values for font design size, barline separation, H-bar thickness, and preferred text fonts to accompany music fonts ([#95](https://github.com/w3c/smufl/issues/95), [#102](https://github.com/w3c/smufl/issues/102), [#124](https://github.com/w3c/smufl/issues/124), [#131](https://github.com/w3c/smufl/issues/131))
diff --git a/mdbook/src/tables/time-signatures-supplement.md b/mdbook/src/tables/time-signatures-supplement.md
index 500c00d..a8eb40d 100644
--- a/mdbook/src/tables/time-signatures-supplement.md
+++ b/mdbook/src/tables/time-signatures-supplement.md
@@ -8,7 +8,7 @@ Supplementary to [Time signatures](time-signatures.md)
 |<span class="bravura_large">&#xec80;</span> | **U+EC80**<br/>*timeSigBracketLeft*<br/>Left bracket for whole time signature | <span class="bravura_large">&#xec81;</span> | **U+EC81**<br/>*timeSigBracketRight*<br/>Right bracket for whole time signature
 |<span class="bravura_large">&#xec82;</span> | **U+EC82**<br/>*timeSigBracketLeftSmall*<br/>Left bracket for numerator only | <span class="bravura_large">&#xec83;</span> | **U+EC83**<br/>*timeSigBracketRightSmall*<br/>Right bracket for numerator only
 |<span class="bravura_large">&#xec84;</span> | **U+EC84**<br/>*timeSigSlash*<br/>Time signature slash separator | <span class="bravura_large">&#xec85;</span> | **U+EC85**<br/>*timeSigCut2*<br/>Cut time (Bach)
-|<span class="bravura_large">&#xec86;</span> | **U+EC86**<br/>*timeSigCut3*<br/>Cut triple time (9/8) | &nbsp; | &nbsp;
+|<span class="bravura_large">&#xec86;</span> | **U+EC86**<br/>*timeSigCut3*<br/>Cut triple time (9/8) | <span class="bravura_large">&#xec87;</span> | **U+EC87**<br/>*timeSigOpenChinese*<br/>Open time signature (Chinese)
 
 Recommended stylistic alternates
 --------------------------------