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The Bat! v12.0.2 (20 January 2026)

Improvements

• Added missing translations on the header pane in the Conversation View

Fixes

• Tags' and color groups' colors were missing in the context menu
• Certain national characters were not properly displayed in the Conversation View
• Font size settings for Source Viewer in "Preferences" were not applied in the "View Message Source" window
• Resolved an issue that caused unintended font size changes in the classic message preview and the plain text editor after opening the "View Message Source" window
• Further fixes to the font size issues related to the message source viewer
• SmartUpgrade works from the "Help\Enter Registration Code" menu correctly now. If you access that menu in The Bat! v12 and insert a v11 key which is eligible for a free upgrade of the license to v12, then the system will automatically process it, issue a new key for v12 and register the software
• Resolved an issue that caused the message body context menu to appear offset from the mouse cursor

Revision History

The Bat! upgrade policy

• The Bat! v5 license purchased December 23, 2010 - September 25, 2013 is valid for a The Bat! v6.0 update only. For The Bat! v6.1 and higher these licenses are not valid.
• The Bat! v6 license purchased September 26, 2013 - November 25, 2013 is valid for a The Bat! v7.0 update only. For The Bat! v7.1 and higher these licenses are not valid.
• The Bat! v6 license purchased November 26, 2013 - May 8, 2015 is valid for all The Bat! versions 6. For The Bat! v7.0 and higher these licenses are not valid.
• The Bat! v7 license purchased May 9, 2015 – August 21, 2017 is valid for version 6.8 and all The Bat! versions 7. For The Bat! v8.0 and higher these licenses are not valid.
• The Bat! v8 license purchased August 22, 2017 – June 2, 2019 is valid for all The Bat! versions 7 and all The Bat! versions 8. For The Bat! v9.0 and higher these licenses are not valid.
• The Bat! v9 license purchased from June 3, 2019 - May 31, 2021 is valid for all The Bat! versions 8 and all The Bat! versions 9. For The Bat! v10.0 and higher these licenses are not valid.
• The Bat! v9 license purchased from June 1, 2021 - April 28, 2022 is valid for all The Bat! versions 9 and all The Bat! versions 10. For The Bat! v11.0 and higher these licenses will not be valid.
• The Bat! v10 license purchased from April 28, 2022 - May 31, 2023 is valid for all The Bat! versions 10. For The Bat! v11.0 and higher these licenses are not valid.
• The Bat! v10 license purchased from June 1, 2023 - December 20, 2023 is valid for all The Bat! versions 10 and all The Bat! versions 11. For The Bat! v12.0 and higher these licenses will not be valid.
• The Bat! v11 license purchased from December 21, 2023 - May 31, 2025 is valid for all The Bat! versions 11. For The Bat! v12.0 and higher these licenses will not be valid.
• The Bat! v11 license purchased from June 1, 2025 - December 30, 2025 is valid for all The Bat! versions 11 and all The Bat! versions 12. For The Bat! v13.0 and higher these licenses will not be valid
• The Bat! v12 license purchased from December 30, 2025 is valid for all The Bat! versions 12. For The Bat! v13.0 and higher these licenses will not be valid

Users who have a license for any version of The Bat! can update their license to The Bat! v12 by purchasing an upgrade.

Please note: We reserve the right to adjust our upgrade policy without notification.

The Bat! mail software supports the following versions of Windows Operating System:

Client versions

• Windows 10 (32/64 bit) - Certified for Windows 10
• Windows 11 (32/64 bit)

Server versions

• Windows Server 2016 & R2
• Windows Server 2019