[X3D-Ecosystem] Ajv, no good???

Don Brutzman don.brutzman at gmail.com
Fri Feb 20 20:17:21 PST 2026


This slideset from a 2025 talk confirms that there are many variant JSON
schema approaches and no consensus approach, at least not yet.

all the best, Don
-- 
X3D Graphics, Maritime Robotics, Distributed Simulation
Relative Motion Consulting  https://RelativeMotion.info


On Fri, Feb 20, 2026 at 10:53 AM John Carlson <yottzumm at gmail.com> wrote:

> Here’s a recent talk on JSON schema:
>
>
> https://docs.google.com/presentation/d/1ajXlCQcsjjiMLsluFIILR7sN5aDRBnfqQ9DLbcFbqjI/edit?slide=id.p#slide=id.p
>
>
> On Fri, Feb 20, 2026 at 1:00 AM John Carlson <yottzumm at gmail.com> wrote:
>
>> Apparently, Ajv is a very non-compliant JSON schema validator.
>>
>> https://bowtie.report/
>>
>> I’m going to be switching this:
>>
>> https://github.com/hyperjump-io/json-schema
>>
>> The main issues i saw were in formats, reporting errors in oneOf.
>>
>> John
>>
>>
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