diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..8fecbcd
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,39 @@
+# hotxlfp changelog
+
+## 0.0.10
+
+* Support for FACT, FACTDOUBLE, ARABIC, ROMAN and TODAY
+* Fixed bugs where the result was not an error when it should 
+
+## 0.0.9
+
+* Fixed bug with undefined variables not returning a #NAME? error
+
+## 0.0.8
+
+* Fix bug with accented charactes in criteria
+
+## 0.0.7
+
+* Fixed a bug with criteria evaluation in formulas such as COUNTIF
+
+## 0.0.6
+
+* bidimensional arrays are now supported in some cases
+* INDEX is now supported
+* TEXTJOIN is now supported
+* SUBSTITUTE is now supported
+* LEN is now supported
+
+## 0.0.5
+
+* DECIMAL is now supported
+* BASE is now supported
+* ISLOGICAL is now supported
+* ISNUMBER is now supported
+* DATEVALUE is now supported
+* Much better implicit type conversion in operators
+
+## 0.0.4
+
+First version that actually works if you install using pip