Yes, we make sure the data is compatible over time, or at least detect that
data has new features. Our format versioning is explained here [1]. You can
see various additions here [2]. The only one that's newer than 9.0.0 is the
Run-end encoded arrays, but those aren't in widespread use yet.

[1] https://arrow.apache.org/docs/format/Versioning.html
[2] https://github.com/apache/arrow/blob/main/format/Schema.fbs

On Fri, Mar 24, 2023 at 12:57 PM Arkadiy Vertleyb (BLOOMBERG/ 120 PARK) <
avertl...@bloomberg.net> wrote:

> Thanks Will.
>
> Is that version still data-format compatible with today?
>
>
> From: dev@arrow.apache.org At: 03/24/23 15:39:12 UTC-4:00To:
> dev@arrow.apache.org
> Subject: Re: Arrow/C++14
>
> That should be Apache Arrow 9.0.0. It was in Arrow 10 that we mandated C++
> 17. [1][2]
>
> [1] https://arrow.apache.org/release/10.0.0.html
> [2] https://issues.apache.org/jira/browse/ARROW-17545
>
> On Fri, Mar 24, 2023 at 12:27 PM Arkadiy Vertleyb (BLOOMBERG/ 120 PARK) <
> avertl...@bloomberg.net> wrote:
>
> > Hi,
> >
> > What is the latest Arrow version that supports C++14 standard?
> >
> > Thank you,
> > Arkadiy
>
>
>

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