update changelog for 5.2.1

Author: mmalerba

CHANGELOG.md

@@ -1,3 +1,28 @@
+<a name="5.2.1"></a>
+## [5.2.1 ghillie-soup](https://github.com/angular/material2/compare/5.2.0...5.2.1) (2018-02-12)
+
+
+### Bug Fixes
+
+* **autocomplete:** escape key inconsistency on IE ([#9777](https://github.com/angular/material2/issues/9777)) ([180750e](https://github.com/angular/material2/commit/180750e))
+* **button:** better accessibility for flat buttons in high-contrast ([#9783](https://github.com/angular/material2/issues/9783)) ([0d0c6d4](https://github.com/angular/material2/commit/0d0c6d4))
+* **datepicker:** add max/min filter to multi year and year views ([#9727](https://github.com/angular/material2/issues/9727)) ([0793142](https://github.com/angular/material2/commit/0793142))
+* **datepicker:** changed after checked error if focused datepicker inputs turn disabled ([#9717](https://github.com/angular/material2/issues/9717)) ([01ad7bd](https://github.com/angular/material2/commit/01ad7bd)), closes [#9559](https://github.com/angular/material2/issues/9559)
+* **global-position-strategy:** ignoring width and height from OverlayConfig ([#9774](https://github.com/angular/material2/issues/9774)) ([b425a46](https://github.com/angular/material2/commit/b425a46)), closes [#9715](https://github.com/angular/material2/issues/9715)
+* **overlay:** dimension not updated after init ([#8765](https://github.com/angular/material2/issues/8765)) ([c36b512](https://github.com/angular/material2/commit/c36b512))
+* **select:** options inside option group not being rendered when wrapped with ng-container ([#9769](https://github.com/angular/material2/issues/9769)) ([38fddfe](https://github.com/angular/material2/commit/38fddfe)), closes [#9736](https://github.com/angular/material2/issues/9736)
+* **selection-list:** external changes to selection model not being reflected ([#9846](https://github.com/angular/material2/issues/9846)) ([82df181](https://github.com/angular/material2/commit/82df181)), closes [#9838](https://github.com/angular/material2/issues/9838)
+* **slider:** invisible in high contrast mode ([#9792](https://github.com/angular/material2/issues/9792)) ([94bbffc](https://github.com/angular/material2/commit/94bbffc))
+* **slider:** unable to reset value by setting it back to undefined ([#9768](https://github.com/angular/material2/issues/9768)) ([c2e2744](https://github.com/angular/material2/commit/c2e2744)), closes [#9740](https://github.com/angular/material2/issues/9740)
+
+
+### Features
+
+* **radio:** add aria-describedby passthrough to radio button input ([#9741](https://github.com/angular/material2/issues/9741)) ([cd159f5](https://github.com/angular/material2/commit/cd159f5))
+* **schematics:** add initial schematics utils ([#9451](https://github.com/angular/material2/issues/9451)) ([b1b41c6](https://github.com/angular/material2/commit/b1b41c6))
+
+
+
 <a name="5.2.0"></a>
 # [5.2.0 selenium-scramble](https://github.com/angular/material2/compare/5.1.0...5.2.0) (2018-02-05)
 

package.json

@@ -20,7 +20,7 @@
     "docs": "gulp docs",
     "api": "gulp api-docs"
   },
-  "version": "5.2.0",
+  "version": "5.2.1",
   "license": "MIT",
   "engines": {
     "node": ">= 5.4.1"