# Improved toolchain: gcc, binutils, and glibc
<a name="glibc-gcc-and-binutils"></a>

AL2023 includes many of the same core packages as AL2.

We updated the following three core toolchain packages for AL2023.


| Package name | AL2 | AL2023 | 
| --- | --- | --- | 
| glibc |  2.26  | 2.34 | 
|  gcc  |  7.3  |  11.3  | 
|  binutils  |  2.29  |  2.39  | 

For more information, see [Core toolchain packages glibc, gcc, binutils](core-glibc.md). 

For more information about C, C\$1\$1, and Fortran language runtimes, including updated default language standards, see [C, C\$1\$1, and Fortran in AL2023](c-cplusplus.md).

For more information about optimizations, see [Performance and operational optimizations](performance-optimizations.md).