diff --git a/Changelog.txt b/Changelog.txt
index 20c76ff522..ee7701de1d 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,4 +1,54 @@
 OpenBLAS ChangeLog
+====================================================================
+Version 0.3.33
+23-Apr-2026
+
+general:
+ - fixed an incorrect cast in the SBGEMM test case that could lead to spurious test failures
+ - fixed an invalid memory access in the converted C version of the CBLAS tests
+ - made the BIGNUMA setting automatic when the number of cores exceeds 256
+ - Imported recent updates from Reference-LAPACK to realign with its upcoming 3.13.0 release:
+   - Implement ?LARF1F and ?ORM2R (Reference-LAPACK PRs 1019,1020,1196,1257)
+   - Change loop order in ?GETC2 to improve performance (Reference-LAPACK PR 1023)
+   - Change WORK array dimension in ?GELQS/?GEQRS (Reference-LAPACK PR 1094)
+   - Add NaN checks for input matrix A in ?GEEV (Reference-LAPACK PR 1136)
+   - Fix support for jobu/v in LAPACKE_?GESVDQ_WORK (Reference-LAPACK PRs 1146,1221)
+   - Fix display of version number in LAPACK testsuite (Reference-LAPACK PR 1149)
+   - Fix DGGES test seed to avoid bad matrix cases (Reference-LAPACK PR 1187)
+   - Fix truncation of large WORK array sizes in ZHE (Reference-LAPACK PR 1195)
+   - Fix overwriting of LDSWORK parameter in ?TRSYL3 (Reference-LAPACK PR 1206)
+   - Fix overwriting of error states in some EIG tests (Reference-LAPACK PR 1207) 
+   - Remove unused parameter in DORBDB3/ZUNBDB3 (Reference-LAPACK PR 1209)
+   - Re-enable testing of ?BB and ?GG driver functions (Reference-LAPACK PR 1211)
+   - Fix workspace size calculation in ?TGSEN (Reference-LAPACK PR 774)
+   - Fix typos in the EIG DMD tests and initialized the cutoff variable (PR 1212,1228)
+   - Optimized looping in ?LACPY/?LASCL/?LANTR with fat matrix and UPLO=L (PR 1251)
+
+arm64:
+ - worked around a serious miscompilation of the DDOT kernel by GCC15, affecting
+   most non-SVE targets, and SVE targets in the case of non-unit array stride)
+ - fixed an accuracy issue in the GEMV kernel for Neoverse V1 and other SVE targets
+ - fixed broken STRMM and SSYMM in DYNAMIC_ARCH builds when running on non-SME hardware
+ - added an optimized SHGEMM kernel for Neoverse N2
+ - fixed DYNAMIC_ARCH builds under Windows on Arm
+ - Added autodetection of Cortex A75/A76 in DYNAMIC_ARCH builds
+ - Added autodetection of Neoverse V3, currently supported through V2 kernels
+ - Re-added support for the "VORTEX" target in DYNAMIC_ARCH builds with DYNAMIC_LIST
+ - Fixed CMake-based builds that use the "Ninja" generator
+
+loongarch64:
+ - fixed a build failure due to missing support for the new half-precision float type
+ - fixed a long-standing bug in asserting 64bit capability in the c_check helper script
+
+x86_64:
+ - added a workaround for miscompilation of the AVX512 GEMM kernels by LLVM on Windows
+ - fixed a build failure in the LAED3 code when compiling with MinGW on Windows
+ - fixed CMake-based compilation with the NVIDIA HPC compiler
+ - Fixed CMake-based builds that use the "Ninja" generator
+
+wasm:
+ - added optimized kernels for STRSM and DTRSM
+
 ====================================================================
 Version 0.3.32
 23-Mar-2026