# GNU Fortran 15.1 has been released

**URL:** <https://fortran-lang.discourse.group/t/gnu-fortran-15-1-has-been-released/9630>\
**Category:** GNU\
**Created:** [April 26, 2025, 2:25pm UTC](https://fortran-lang.discourse.group/t/gnu-fortran-15-1-has-been-released/9630 "2025-04-26T14:25:12Z")\
**Posts on this page:** 1\
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**Author:** ![RJaBi](https://yyz2.discourse-cdn.com/free1/user_avatar/fortran-lang.discourse.group/rjabi/32/5161_2.png) [@RJaBi](https://fortran-lang.discourse.group/u/RJaBi)\
**Post date:** [April 30, 2025, 8:45am UTC](https://fortran-lang.discourse.group/t/gnu-fortran-15-1-has-been-released/9630/12 "2025-04-30T08:45:34Z")

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Have you got the required flags? My understanding (based mostly on [DO CONCURRENT: compiler flags to enable parallelization - #6 by ivanpribec](https://fortran-lang.discourse.group/t/do-concurrent-compiler-flags-to-enable-parallelization/4300/6) which I see you also are active in), was that it needed the `-ftree-parallelize-loops=n` flag. Perhaps just openMP would also work?

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