This is a minor release.

Bugs fixed:

• #1769 the DockerHub images had world writable files in /app (fixed by #1770)

Changes since 0.9.3:

• the DH group generation at startup has been removed and replaced by the use of pre-generated RFC 7919 DH groups (#1797 #1848)

Dependencies:

• nginx -> 1.21.5

Other changes:

• the container based test method (as opposed to running tests directly on the host) was fixed in #1856.
• various code style (#1807) and docs update (#1775 #1819).

Thanks to @crazy-max, @kevinnls, @polarathene, @ucyang and @HPPinata for their contributions to this release.