Version 1.52.2
--------------

- This is an unscheuled release in order to revert a commit that causes a crash
  on exit, with some Cairo versions.

- Closed bugs and merge requests:

  * CI: pinned Fedora to old tag [!119, Claudio André]
  * heapgraph.py: adjust terminal output style [!120, Andy Holmes]
  * CI: small tweaks [!123, Claudio André]
  * Warn about compilation warnings [!125, Claudio André]
  * Miscellaneous commits [Philip Chimento, Jason Hicks]