Release: WSJT-X 2.2.1
           June 6, 2020
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WSJT-X v2.2.1 is a bug fix release that fixes regressions found in the prior v2.2.0 release. Here is a brief summary;

• Incorporate a revised Hamlib version the address a regression in rig control of some rigs including the Yaesu FT-991 and FT-891.

• Repair a defect in 6 character gridsquare lookup from the CALL3.TXT database, and improve "Lookup" button processing.

• Repair a defect with selecting Wide Graph 2D spectrum types in translated UIs.

• Repair a regression that blocked the Highlight Callsign UDP request from highlighting terms including a '+' character.

• Repair a defect that caused hash code lookups of one's own call to fail after an extended period of inactivity, when operating with a non-standard callsign.

• Repair a regression where occasional Highlight Callsign UDP requests with the 'Highlight last' parameter as true highlighted a match in a prior period. This fix include a performance improvement when processing any Highlight Callsign request with 'Highlight last' as true.

• Include support for the Yaesu FT-920 when controlled by Ham Radio Deluxe. This change inadvertently missed the v2.2.0 GA release.

• Correct a documentation issue with the UDP Message Protocol Status(1) message Special Operations Mode enumeration values ("WW DIGI added", Fox, and Hound renumbered). Thanks to Sam, W2JDB, for raising this issue.

• Updated Catalan UI translation, tnx Xavi, EA3W.

• Italian UI translation, tnx Marco, PY1ZRJ.

• Updated Spanish UI translation, tnx C�dric, EA4AC.

New Features in WSJT-X 2.2.0:

• Significant improvements to the decoders for FT4, FT8, JT4, JT65, and WSPR.

• New format for "EU VHF Contest" Tx2 and Tx3 messages

  When "EU VHF Contest" is selected, the Tx2 and Tx3 messages (those conveying signal report, serial number, and 6-character locator) now use hashcodes for both callsigns. This change is NOT backward compatible with earlier versions of WSJT-X, so all users of EU VHF Contest messages should be sure to upgrade to version 2.2.0.

• Accessibility

  Keyboard shortcuts have been added as an aid to accessibility: Alt+R sets Tx4 message to RR73, Ctrl+R sets it to RRR.

  As an aid for partial color-blindness, the "inverted goal posts" marking Rx frequency on the Wide Graph's frequency scale are now rendered in a darker shade of green.

• User Interface Translations have been enabled. Translations are now available for Catalan, Spanish, Japanese, Chinese, and Hong Kong Chinese. Additiional languages will follow, when available.

  Note that UI translation is automatic, based on your system primary language. If you do not want the WSJT-X UI translated to your local language then start WSJT-X with the '--language=en' command line option:

  wsjtx --language=en

  If you wish to contribute by authoring WSJT-X UI translations please join the new discussion group wsjtx-l10n@Groups.io (https://groups.io/g/wsjtx-l10n), where help from other translation authors and coordination with the development team is available.

• Minor enhancements and bug fixes

  "Save None" now writes no .wav files to disk, even temporarily.

  An explicit entry for "WW Digi Contest" has been added to "Special operating activities" on the "Settings | Advanced" tab.

  Contest mode FT4 now always uses RR73 for the Tx4 message.

  The Status bar now displays the number of decodes found in the most recent Rx sequence.

  The "Highlight Callsign" UDP message has been enhanced to allow clearing of old highlighting for a specified callsign. Please note a recommended restriction on the use of this message in the documentation here: https://tinyurl.com/y85nc3tg

• Hamlib - this library which we use for direct rig control has had many defect repairs and enhancements, we thank the contributors to that project for their work.