[gdal-dev] Fwd: Re: [Tiff] Libtiff will be released soon

[Even Rouault]

On samedi 10 novembre 2018 16:13:09 CET Even Rouault wrote:
> Hi all,
> 
> Due to Adobe no longer assigning TIFF tags / tags value, and someone
> mentionning that the previously values use for COMPRESSION_ZSTD and
> COMPRESSION_WEBP were already taken, those have been just changed:
> 
> https://gitlab.com/libtiff/libtiff/commit/126a949736fe8d2684525706e9047b39e2
> a095a6
> 
> I'll resynchronize the internal GDAL copy with that, which means that if you
> have existing TIFF file using ZStd / WebP compression, they will no longer
> be recognized.

Not completely sure what to do with GDAL 2.3 branch, as it already had ZStd 
(if using its internal libtiff copy). I feel it is probably wise to also 
update the modified value of COMPRESSION_ZSTD there to avoid the risk of 
people creating files with the now obsolete tag value ?


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