Add changelog entries for 1.2.7-1.2.11

Author: alcaeus

CHANGELOG-1.2.md

@@ -3,6 +3,54 @@ CHANGELOG for 1.2.x
 
 This changelog references the relevant changes done in 1.2 patch versions.
 
+1.2.11 (2019-09-24)
+-------------------
+
+All issues and pull requests in this release may be found under the
+[1.2.11 milestone](https://github.com/doctrine/mongodb-odm/issues?q=milestone%3A1.2.11).
+
+* [2057](https://github.com/doctrine/mongodb-odm/pull/2057) documents the available storage strategies in the XML mapping schema.
+* [2055](https://github.com/doctrine/mongodb-odm/pull/2055) disables retryable writes on travis-ci.
+* [2053](https://github.com/doctrine/mongodb-odm/pull/2053) fixes documentation samples for `EmbedMany` mappings.
+
+1.2.10 (2019-09-02)
+-------------------
+
+All issues and pull requests in this release may be found under the
+[1.2.10 milestone](https://github.com/doctrine/mongodb-odm/issues?q=milestone%3A1.2.10).
+
+* [2048](https://github.com/doctrine/mongodb-odm/pull/2048) documents how to pass custom expressions to the aggregation builder.
+* [2043](https://github.com/doctrine/mongodb-odm/pull/2043) updates tests to account for an upstream fix to the `$replaceRoot` aggregation pipeline stage.
+
+1.2.9 (2019-05-09)
+------------------
+
+All issues and pull requests in this release may be found under the
+[1.2.9 milestone](https://github.com/doctrine/mongodb-odm/issues?q=milestone%3A1.2.9).
+
+* [2019](https://github.com/doctrine/mongodb-odm/pull/2019) fixes aggregation pipelines generated by the builder when using the `$indexStats` pipeline stage on discriminated documents.
+* [1805](https://github.com/doctrine/mongodb-odm/pull/1805) changes confusing class names in the documentation.
+
+1.2.8 (2019-03-14)
+------------------
+
+All issues and pull requests in this release may be found under the
+[1.2.8 milestone](https://github.com/doctrine/mongodb-odm/issues?q=milestone%3A1.2.8).
+
+* [1978](https://github.com/doctrine/mongodb-odm/pull/1978) reverts a previous fix for discriminator maps due to a regression.
+* [1977](https://github.com/doctrine/mongodb-odm/pull/1977) fixes wrong checks for successful sharding commands.
+* [1971](https://github.com/doctrine/mongodb-odm/pull/1971) clarifies the deprecation of the `update()` and `multiple()` methods in the query builder.
+
+1.2.7 (2019-03-07)
+------------------
+
+All issues and pull requests in this release may be found under the
+[1.2.7 milestone](https://github.com/doctrine/mongodb-odm/issues?q=milestone%3A1.2.7).
+
+* [1966](https://github.com/doctrine/mongodb-odm/pull/1966) fixes embedding documents containing named indexes.
+* [1962](https://github.com/doctrine/mongodb-odm/pull/1962) fixes wrong usage of discriminator maps in complex inheritance chains.
+* [1934](https://github.com/doctrine/mongodb-odm/pull/1934) documents lookup not working on references in embedded documents.
+
 1.2.6 (2019-01-15)
 ------------------