What's Changed

• migrate halevi-shoup matvec rewrite to kernel implementation using arithmetic DAG by @copybara-service[bot] in #2183
• add blog post for 2025-09-04 by @copybara-service[bot] in #2194
• Add a split-preprocessing pass by @copybara-service[bot] in #2185
• Automated Code Change by @copybara-service[bot] in #2197
• update lockfile from #2195 by @asraa in #2198
• workflows: install llvm tools from apt.llvm.org by @j2kun in #2179
• Add more doctests by @j2kun in #2186
• Add support for assigning new layouts for scalars by @copybara-service[bot] in #2200
• Add a tensor.insert kernel for new layouts by @j2kun in #2204
• fix mod_arith_to_arith runner tests by @j2kun in #2212
• diable allowPatternRollback in non-context-aware dialect conversion drivers by @j2kun in #2211
• Add layout propagation for vecmat and matmuls by @copybara-service[bot] in #2207
• tensor.extract kernel with new layout by @j2kun in #2205
• poly approximation: emit a chebyshev poly from the C-F approx to enable chebyshev basis lowerings by @copybara-service[bot] in #2191
• update lockfile by @j2kun in #2220
• add insert to new-layout-propagation by @j2kun in #2219
• Fix one missed API update by @copybara-service[bot] in #2221
• split out utils for making constants out of values by @copybara-service[bot] in #2222
• remove old TODOs we won't do by @j2kun in #2230
• Partition RNS limbs (not poly coefficients) in key_switch_inner lowering by @j2kun in #2208
• fix ubsan error: use OpConversionPattern with conversion driver by @copybara-service[bot] in #2232
• Remove TOSA from HEIR by @j2kun in #2229
• Minor cleanup of emitters by @j2kun in #2228
• fix build by @j2kun in #2233
• Fix workflows by doing checkout first by @j2kun in #2224
• Fix issues with Docker setup by @mabhay3420 in #2235
• Layout folding analysis by @j2kun in #2141
• Add integer relations for a 2-D convolution by @copybara-service[bot] in #2218
• try experimenting with macos ci by @j2kun in #2225
• Initial Sbox by @WoutLegiest in #2012
• update lockfile by @j2kun in #2243
• frontend: update to numba 0.62, simplify dependencies by @AlexanderViand in #2244
• add 2d convolution support in new-layout-propagation by @copybara-service[bot] in #2242
• Refactor ISL codegen using visitor pattern. by @copybara-service[bot] in #2247
• frontend: Emit ordered comparison predicates for floats by @Time0o in #2246
• MNIST via py_test and python torch dep by @j2kun in #2226
• fix requirements.txt breakage by @j2kun in #2250
• Add utils for vos-vos-erkin generalization by @j2kun in #2252
• remove stale code parsing integerrelations from integersets by @copybara-service[bot] in #2261
• Lower linalg.conv2d to tensor_ext in convert-to-ciphertext-semantics by @copybara-service[bot] in #2260
• Generalize Vos-Vos-Erkin algorithm to support arbitrary mappings by @j2kun in #2240
• test: add kernel testing with layout assignment by @copybara-service[bot] in #2266
• remove remaining uses of mlir_runner by @j2kun in #2274
• bump rules_hdl version for fixing fetch failures by @j2kun in #2276
• GenerateParam: update doc by @ZenithalHourlyRate in #2272

New Contributors

• @mabhay3420 made their first contribution in #2235
• @Time0o made their first contribution in #2246

Full Changelog: v2025.09.05...v2025.10.01