diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,35 @@
+<a name="9.1.5"></a>
+## [9.1.5](https://github.com/angular/angular/compare/9.1.4...9.1.5) (2020-05-07)
+
+
+### Bug Fixes
+
+* **compiler-cli:** `isCaseSensitive()` returns correct value ([#36968](https://github.com/angular/angular/issues/36968)) ([4becc1b](https://github.com/angular/angular/commit/4becc1b))
+* **compiler-cli:** ensure `getRootDirs()` handles case-sensitivity ([#36968](https://github.com/angular/angular/issues/36968)) ([5bddeea](https://github.com/angular/angular/commit/5bddeea))
+* **compiler-cli:** ensure `MockFileSystem` handles case-sensitivity ([#36968](https://github.com/angular/angular/issues/36968)) ([b6c042d](https://github.com/angular/angular/commit/b6c042d))
+* **compiler-cli:** ensure LogicalFileSystem handles case-sensitivity ([#36968](https://github.com/angular/angular/issues/36968)) ([65337fb](https://github.com/angular/angular/commit/65337fb))
+* **compiler-cli:** fix case-sensitivity issues in NgtscCompilerHost ([#36968](https://github.com/angular/angular/issues/36968)) ([4abd603](https://github.com/angular/angular/commit/4abd603))
+* **compiler-cli:** normalize mock Windows file paths correctly ([#36968](https://github.com/angular/angular/issues/36968)) ([654868f](https://github.com/angular/angular/commit/654868f))
+* **compiler-cli:** use CompilerHost to ensure canonical file paths ([#36968](https://github.com/angular/angular/issues/36968)) ([7e9d5f5](https://github.com/angular/angular/commit/7e9d5f5))
+* **core:** handle pluralize functions that expect a number ([#36901](https://github.com/angular/angular/issues/36901)) ([e5317d5](https://github.com/angular/angular/commit/e5317d5)), closes [#36888](https://github.com/angular/angular/issues/36888)
+* **core:** properly get root nodes from embedded views with <ng-content> ([#36051](https://github.com/angular/angular/issues/36051)) ([a576852](https://github.com/angular/angular/commit/a576852)), closes [#35967](https://github.com/angular/angular/issues/35967)
+* **core:** Refresh transplanted views at insertion point only ([#35968](https://github.com/angular/angular/issues/35968)) ([c8c2272](https://github.com/angular/angular/commit/c8c2272)), closes [#35400](https://github.com/angular/angular/issues/35400) [#21324](https://github.com/angular/angular/issues/21324)
+* **localize:** ensure `getLocation()` works ([#36920](https://github.com/angular/angular/issues/36920)) ([701016d](https://github.com/angular/angular/commit/701016d))
+* **ngcc:** do not run in parallel mode if there are less than 3 CPU cores ([#36626](https://github.com/angular/angular/issues/36626)) ([3800455](https://github.com/angular/angular/commit/3800455))
+* **ngcc:** give up re-spawing crashed worker process after 3 attempts ([#36626](https://github.com/angular/angular/issues/36626)) ([1863733](https://github.com/angular/angular/commit/1863733))
+* **ngcc:** handle `ENOMEM` errors in worker processes ([#36626](https://github.com/angular/angular/issues/36626)) ([901b980](https://github.com/angular/angular/commit/901b980))
+* **ngcc:** support ModuleWithProviders functions that delegate ([#36948](https://github.com/angular/angular/issues/36948)) ([9d13ee0](https://github.com/angular/angular/commit/9d13ee0)), closes [#36892](https://github.com/angular/angular/issues/36892)
+* **ngcc:** support recovering when a worker process crashes ([#36626](https://github.com/angular/angular/issues/36626)) ([f30307a](https://github.com/angular/angular/commit/f30307a)), closes [#36278](https://github.com/angular/angular/issues/36278)
+* **ngcc:** partially support TS 3.9 wrapped ES2015 classes ([#36884](https://github.com/angular/angular/issues/36884)) ([ebb4733](https://github.com/angular/angular/commit/ebb4733))
+
+
+### Performance Improvements
+
+* **ngcc:** only compute basePaths in TargetedEntryPointFinder when needed ([#36881](https://github.com/angular/angular/issues/36881)) ([5ea51b2](https://github.com/angular/angular/commit/5ea51b2)), closes [#36874](https://github.com/angular/angular/issues/36874)
+* **ngcc:** speed up the `getBasePaths()` computation ([#36881](https://github.com/angular/angular/issues/36881)) ([b6d0e21](https://github.com/angular/angular/commit/b6d0e21))
+
+
+
 <a name="10.0.0-next.5"></a>
 # [10.0.0-next.5](https://github.com/angular/angular/compare/10.0.0-next.4...10.0.0-next.5) (2020-05-04)