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

[Duncan Murdoch]

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It loads for me on my slightly out of date system: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