FixedBugs.md

@@ -21,7 +21,9 @@ Bugs in version 4.5.3 that have been fixed in version 4.5.4
 
 * Parallel execution of MCMC was broken in models without auxiliary variables (see [ec3fb76](https://github.com/DynareTeam/dynare/commit/ec3fb76aa7794141dc72bbd5f151dcc7a837b8bb), and [bbdde46](https://github.com/DynareTeam/dynare/commit/bbdde4626ea1585b30f6c554c669fc429686551b)).
 
-* Reading data with column names from Excel might crash (see [8e73289](https://github.com/DynareTeam/dynare/commit/8e73289fe5ebbe5ae9f69260afc7ffa69571362f))
+* Reading data with column names from Excel might crash (see [8e73289](https://github.com/DynareTeam/dynare/commit/8e73289fe5ebbe5ae9f69260afc7ffa69571362f)).
+
+* The multivariate Kalman smoother was crashing in case of missing data in the observations and `Finf` became singular (see [cbc0cdf](https://github.com/DynareTeam/dynare/commit/cbc0cdfef838b58f17c9a564a27b0bc7c302a6ec)).
 
 Bugs in version 4.5.2 that have been fixed in version 4.5.3
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