GNU MPFR version 4.1.0 (released on 10 July 2020)

[download] [documentation] [bugs] [changes] [platforms]

The épinards à la crème release.

MPFR 4.1.0 requires GMP 5.0 or higher.


The MPFR 4.1.0 source can be downloaded in the following archive formats:

Each tarball is signed by Vincent Lefèvre. This can be verified using the DSA key ID 980C197698C3739D; this key can be retrieved with:

gpg --recv-keys 980C197698C3739D

or by downloading it from The key fingerprint is:

07F3 DBBE CC1A 3960 5078  094D 980C 1976 98C3 739D

The signatures can be verified with:

gpg --verify file.asc

You should check that the key fingerprint matches.

MPFR is also available via third-party packages and ports.



See the tracker and the BUGS file.

Changes from versions 4.0.* to version 4.1.0

Platforms Known to Support MPFR

MPFR 4.1.0 has been successfully compiled and checked on the following platforms:

Back to the MPFR page.