[R-SIG-Mac] data.table fails to load on R-4.6-x86_64

[Jeroen Ooms]

Yes this is a problem with r-devel (4.6) specifically where a lot of
APIs were removed and renamed recently.


On Mon, Mar 16, 2026 at 1:57 PM Duncan Murdoch <murdoch.duncan using gmail.com> wrote:
>
> On 2026-03-16 8:23 a.m., Jeroen Ooms wrote:
> > Using the latest CRAN binary:
> > https://cloud.r-project.org/bin/macosx/big-sur-x86_64/contrib/4.6/data.table_1.18.2.1.tgz
> >
> > We get
> >
> > unable to load shared object
> > '/Library/Frameworks/R.framework/Versions/4.6-x86_64/Resources/library/data.table/libs/data_table.so':
> > dlopen(/Library/Frameworks/R.framework/Versions/4.6-x86_64/Resources/library/data.table/libs/data_table.so,
> > 0x0006): Symbol not found: _IS_GROWABLE
> >
>
> It loads for me on my slightly out of date system:
>
> R version 4.5.2 (2025-10-31)
> Platform: aarch64-apple-darwin20
> Running under: macOS Sequoia 15.7.4
>
> Duncan Murdoch