Release notes 3.7.4

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This is a bugfix release, no new features since 3.7.3 were added.

Changelog

Compared to the latest release 3.7.3, the following changes and bugfixes were added.

Bugfixes

This is a complete list of the merged pull requests.

Asynchronous execution fixes at several places

PR #2165 fixes multiple found issues where e.g. asynchronous execution did not run on the intended “dispatcher” / “executor”, but instead on a common thread pool. This was especially the case for:

• Policy enforcement (in things and policies services)
• WoT integration (validation, skeleton generation, etc.) in the things service

This was fixed, so CPU heavy tasks should be better isolated and their dispatcher better configurable to the needs of a specific Ditto deployment.

Some minor tweaks fixing small hotspots found during profiling were also done as part of this PR.