v0.17.0

Breaking changes

• Updated to LibTorch 2.8.0 (#1419).
• torch_triu_indices() and torch_tril_indices() now return 1-based indexes (#1382).
• $indices() now returns 1-based indexes (#1382).

New features

• Added torch_sitrep() for torch installation situation report (#1415, @cregouby).
• Added %*% operator for torch tensors (#1379, @caio-hamamura).
• Added head() and tail() methods for torch tensors (#1388).
• Exported torch_scaled_dot_product_attention() (#1404).
• Exported torch_sparse_sampled_addmm() (#1427).
• Exported torch_ldexp() (#1407).
• Integrated cudatoolkit R package for CUDA library loading (#1422).
• Improved as_array() support for sparse tensors (#1387).

Bug fixes

• Fixed sparse CSR tensor printing, to_sparse() crash, and as_array() detection (#1431).
• Fixed dataset()/nn_module() crash when initialize parameter is named d (#1424, @chandraveer-singh).
• Fixed bfloat16 not being recognized as a floating point dtype (#1408).
• Fixed handling of R longjump exceptions in autograd and tracing callbacks (#1406).
• Fixed redundant lantern.h include causing macro redefinition warning (#1430).
• Excluded glibc libraries from dependency bundling (#1397, @TroyHernandez).
• Replaced non-API entry point Rf_findVarInFrame with R_getVarEx for R 4.6 compatibility (#1421).
• Added French translations for 5 missing messages (#1385, @cregouby).