message: Add 0.18.7 release to changelog
diff: @@ -53,15 +53,10 @@ is based on [Keep a Changelog](https://keepachangelog.com).
  heap-use-after-free if the actor terminates before the action runs. The
  destructor of the promise now checks for this case.
  - Accessing URI fields now always returns the normalized string.
  -- The JSON parser no longer chokes when encountering `null` as last value before
  - the closing parenthesis.
  -- The JSON reader now automatically widens integers to doubles as necessary.
  - Module options (e.g. for the `middleman`) now show up in `--long-help` output.
  - Fix undefined behavior in the Qt group chat example (#1336).
  - The `..._instance` convenience functions on the registry metric now properly
  support `double` metrics and histograms.
  -- Parsing deeply nested JSON inputs no longer produces a stack overflow.
  - Instead, the parser rejects any JSON with too many nesting levels.
  - The spinlock-based work-stealing implementation had severe performance issues
  on Windows in some cases. We have switched to a regular, mutex-based approach
  to avoid performance degradations. The new implementation also uses the
  @@ -107,6 +102,18 @@ is based on [Keep a Changelog](https://keepachangelog.com).
  code base. Since fixing `caf::variant` does not seem to be worth the time
  investment, we remove this type without a deprecation cycle.
  +## [0.18.7] - 2023-02-08
  +
  +### Fixed
  +
  +- The JSON parser no longer chokes when encountering `null` as last value before
  + the closing parenthesis.
  +- The JSON reader now automatically widens integers to doubles as necessary.
  +- Parsing deeply nested JSON inputs no longer produces a stack overflow.
  + Instead, the parser rejects any JSON with too many nesting levels.
  +- The `fan_out_request` request now properly deals with actor handles that
  + respond with `void` (#1369). Note: back-ported fix from 0.19.
  +
  ## [0.18.6] - 2022-03-24
  ### Added
  @@ -890,6 +897,7 @@ is based on [Keep a Changelog](https://keepachangelog.com).
  [Unreleased]: https://github.com/actor-framework/actor-framework/compare/0.19.0-rc.1...master
  [0.19.0-rc.1]: https://github.com/actor-framework/actor-framework/releases/0.19.0-rc.1
  +[0.18.7]: https://github.com/actor-framework/actor-framework/releases/0.18.7
  [0.18.6]: https://github.com/actor-framework/actor-framework/releases/0.18.6
  [0.18.5]: https://github.com/actor-framework/actor-framework/releases/0.18.5
  [0.18.4]: https://github.com/actor-framework/actor-framework/releases/0.18.4
  