Pro-Changes.md in sidekiq-6.1.1 vs Pro-Changes.md in sidekiq-6.1.2

@@ -2,9 +2,19 @@
 
 [Sidekiq Changes](https://github.com/mperham/sidekiq/blob/master/Changes.md) | [Sidekiq Pro Changes](https://github.com/mperham/sidekiq/blob/master/Pro-Changes.md) | [Sidekiq Enterprise Changes](https://github.com/mperham/sidekiq/blob/master/Ent-Changes.md)
 
 Please see [sidekiq.org](https://sidekiq.org/) for more details and how to buy.
 
+5.2.0
+---------
+
+- The Sidekiq Pro and Enterprise gem servers now `bundle install` much faster with **Bundler 2.2+** [#4158]
+- Fix issue with reliable push and multiple shards [#4669]
+- Fix Pro memory leak due to fetch refactoring in Sidekiq 6.1 [#4652]
+- Gracefully handle poison pill jobs [#4633]
+- Remove support for multi-shard batches [#4642]
+- Rename `Sidekiq::Rack::BatchStatus` to `Sidekiq::Pro::BatchStatus` [#4655]
+
 5.1.1
 ---------
 
 - Fix broken basic fetcher [#4616]