Changes in UGENE v. 50
    -  Primer3 can be run without a target sequence.
-  Primer-BLAST has been implemented in UGENE.
-  The hairpin visualization tool mfold has been integrated into UGENE.
-  The PlasMapper plasmids annotation database has been updated to the latest version.
-  Python, included in the UGENE package, has been upgraded to version 3.
-  The list of presets for Primer3 has been expanded.
-  Improved compatibility with theme settings in macOS.
-  Fixed issues related to the stability and usability of UGENE.
    The complete list of changes can be found on the UGENE website.
    See also a new video about recent
    improvements in UGENE.
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