diff --git a/Documents/ChangeDrafts/Active/sarif-v2.0-issue-286-source-language.docx b/Documents/ChangeDrafts/Active/sarif-v2.0-issue-286-source-language.docx
new file mode 100644
index 00000000..beb330a0
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diff --git a/Documents/Schema changes between SARIF v1 and v2.md b/Documents/Schema changes between SARIF v1 and v2.md
index 6e3e771c..104b13c0 100644
--- a/Documents/Schema changes between SARIF v1 and v2.md	
+++ b/Documents/Schema changes between SARIF v1 and v2.md	
@@ -1146,6 +1146,16 @@ Start of changes for CSD.2
 
     To bring the schema into conformance with this issue, ensure that the attributes of each array-valued property match the [table](/~https://github.com/oasis-tcs/sarif-spec/issues/270#issuecomment-443353144) in the issue.
 
+- [Issue #286](/~https://github.com/oasis-tcs/sarif-spec/issues/286): "Specify optional property file.sourceLanguage to guide in syntax-driven colorization of snippets"
+
+    In the `file` object:
+
+    - Add a `sourceLanguage` property of type `string`, optional.
+
+    In the `run` object:
+
+    - Add a `defaultSourceLanguage` property of type `string`, optional.
+
 - [Issue #293](/~https://github.com/oasis-tcs/sarif-spec/issues/293): "Add rule.deprecatedIds"
 
     In the `rule` object:
diff --git a/EditorsReports/Editor's report 2018-12-12.md b/EditorsReports/Editor's report 2018-12-12.md
index 26a5f140..527fd710 100644
--- a/EditorsReports/Editor's report 2018-12-12.md	
+++ b/EditorsReports/Editor's report 2018-12-12.md	
@@ -72,6 +72,8 @@ Presented at TC Meeting #29, December 12th, 2018
 
     1. [Issue #270](/~https://github.com/oasis-tcs/sarif-spec/issues/270): "Schema needs to be carefully scrubbed for minItems and uniqueItems use for all arrays" -- made available on December 4th, 2018.
 
+    1. [Issue #286](/~https://github.com/oasis-tcs/sarif-spec/issues/286): "Specify optional property file.sourceLanguage to guide in syntax-driven colorization of snippets" -- made available on December 10th, 2018.
+
     1. [Issue #287](/~https://github.com/oasis-tcs/sarif-spec/issues/287): "Define default for resultProvenance.lastDetectionTimeUtc" -- made available on December 9th, 2018.
 
     1. [Issue #293](/~https://github.com/oasis-tcs/sarif-spec/issues/293): "Add rule.deprecatedIds" -- made available on December 7th, 2018.
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