As some of you may know I have left Mozilla.
For historical reasons Zest was created as a Mozilla project.
However it is mostly used by ZAP and the Mozilla Security team has no interest in maintaining it.
Mozilla has very kindly agreed to transfer Zest to ZAP.
In practice this should have no significant impact.
The ZAP core team was already maintaining Zest and we still plan to keep it as a standalone entity in case other tools wish to make use of it.
If you do have any questions or cponcerns then please raise them here or talk to me directly.
Many thanks,
Simon