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+NLSR version 0.5.2
+++++++++++++++++++
+
+**Breaking Changes**
+
+The following breaking changes makes this release incompatible with the previous version.
+- Use latest PSync version 0.2.0, sync data compression enabled in full sync by default (:issue:`5061`, :issue:`4917`)
+- Use the double encoding/decoding functions for hyperbolic coordinates (:issue:`4615`)
+
+**New Features**
+
+- Handle zero cost links in Link State Routing (:issue:`4978`)
+
+**Improvements and Bug Fixes**:
+
+- Remove support for old combined seq no file (:issue:`4143`)
+- Sync common test infrastructure with ndn-cxx
+- Refactor Certificate Storage class (:issue:`5075`)
+- Avoid crashing NLSR if identity cannot be created
+- Change init order to register sync routes after hello data has been verified (:issue:`5009`)
+- Fix empty file creation if conf file is same as dynamic (:issue:`5071`)
+- On face event notification, only proceed if face id was zero or updated (:issue:`4394`)