More small changes

Prepare 6.9.6 release (#563)

* Harden REST field output

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* Harden comment and user form saves

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* Build assets, documentation, and translations

* Prepare 6.9.6 release

Add the 6.9.6 changelog entry and upgrade notice, update the version to
6.9.6, and set the Stable tag to 6.9.6.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Defensive hardening improvements for 6.9.5 (#534)

Fix 6.9.4 release date (#533)

Defensive hardening improvements for 6.9.3 (#528)

Co-authored-by: Bernie Reiter <ockham@raz.or.at>

Set Stable tag to 6.9.2

Update version to 6.9.1

Update version to 6.9.0

Prepare 6.8.9 Release (#469)

* Add 6.8.9 changelog entry

* Update version to 6.8.9

Update version to 6.8.8