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DBT 15.1 is our first version with native Apple Silicon and eBraille support, and has several other new and improved features.
Built for Modern Macintosh Computers
- DBT will no longer require Rosetta to run on modern Macintosh®computers.
- Builds for Macintosh computers with Intel processors may no longer be available. If you require one, please inquire.
- DBT/Mac for Apple silicon cannot import MathType objects embedded in .docx files.
eBraille Support
- DBT 15.1 supports export of eBraille files from braille documents.
- Command line support for eBraille conversion is included, using a new /ebrl command line switch.
Other Exporter Improvements
- Formatted braille files may be saved in Unicode Braille Patterns encoding.
Accessibility (Windows Only)
- JAWS voicing of the translated line while editing large braille files is better-synchronized to what is shown on a connected braille display..
- JAWS reading of unusual character values from the status line has been corrected.
Importers
- An arbitrary size limitation within DBT has been lifted, allowing for importing larger .docx files.
- The .docx importer now adds a hard space after the function name for a math function.
- The .docx importer will now recognize both old and new definitions of Red, as well as similar custom colors.
- Problems placing images using TactileView 3 have been corrected.
- Importation of mathematical named functions from LaTeX and MathType (Windows only) has been improved.
Editing and User Interface
- When hiding codes on the translated line, DBT will hide even codes at the end of the line.
- The status line display font can be set in the Global Fonts dialog.
- Several codes have been added to the Codes List dialog.
Language Support
- The English/Unified (UEB) print-to-braille translation table (file enuncp.btb, now version 16;4 260707) has been updated to suppress the contraction "con" in the word "cons" in most instances, excepting only certain cases where the immediate context makes clear that "cons" is a formal or informal abbreviation of a longer word where "con" would be contracted, e.g. "ex-cons" (short for "ex-convicts"). This is an effort to more commonly comply with RUEB 2024 section 10.6.4.
- DBT now includes an updated version of the BANA Template for Microsoft® Word⠢: BANA Braille 2026. Both English (UEB) - BANA DBT templates and the style map file for them are updated as well. Service release 2 contains a further importer update. More information is available on a separate web page.
- The Urdu (Pakistan) print-to-braille translation table (file urdpcp.btb, now version 5;3 260310) has been updated to fix some reported errors.

DBT 15.1 is our first version with native Apple Silicon and eBraille support, and has several other new and improved features.
Built for Modern Macintosh Computers
- DBT will no longer require Rosetta to run on modern Macintosh®computers.
- Builds for Macintosh computers with Intel processors may no longer be available. If you require one, please inquire.
- DBT/Mac for Apple silicon cannot import MathType objects embedded in .docx files.
eBraille Support
- DBT 15.1 supports export of eBraille files from braille documents.
- Command line support for eBraille conversion is included, using a new /ebrl command line switch.
Other Exporter Improvements
- Formatted braille files may be saved in Unicode Braille Patterns encoding.
Accessibilty (Windows Only)
- JAWS voicing of the translated line while editing large braille files is better-synchronized to what is shown on a connected braille display..
Importers
- An arbitrary size limitation within DBT has been lifted, allowing for importing larger .docx files.
- The .docx importer now adds a hard space after the function name for a math function.
- The .docx importer will now recognize both old and new definitions of Red, as well as similar custom colors.
- Problems placing images using TactileView 3 have been corrected.
Editing and User Interface
- When hiding codes on the translated line, DBT will hide even codes at the end of the line.
- (Windows only) The status line display is more reliable about leaving sufficient width to show text.
- Several codes have been added to the Codes List dialog.
Language Support
- The English/Unified (UEB) print-to-braille translation table (file enuncp.btb, now version 16;4 260707) has been updated to suppress the contraction "con" in the word "cons" in most instances, excepting only certain cases where the immediate context makes clear that "cons" is a formal or informal abbreviation of a longer word where "con" would be contracted, e.g. "ex-cons" (short for "ex-convicts"). This is an effort to more commonly comply with RUEB 2024 section 10.6.4.
- DBT now includes an updated version of the BANA Template for Microsoft® Word⠢: BANA Braille 2026. Both >English (UEB) - BANA DBT templates and the style map file for them are updated as well.
- The Urdu (Pakistan) print-to-braille translation table (file urdpcp.btb, now version 5;3 260310) has been updated to fix some reported errors.

Service Release 2 has a major focus on stability, correcting a few issues, some longstanding, which seem to have been worse in DBT <14.1 than in previous releases.
- UIA-related crashes have been fixed. These were likely to cause problems specifically for JAWS users.
- A problem that caused DBT to crash when closing documents on some customer computers has been fixed. This problem was highly associated with display of a translated line.
- A bug that could cause DBT to crash when using Alt-arrow keys to navigate through a table has been fixed.
Language Support
- Several English (UEB) translation improvements:
- Improved support for capitalization rules in section 8.8.
- The "visible space" symbol (dots 346) no longer terminates numeric mode.
- Contractions are more properly applies in several instances.
- Import of the up-to-date Indian Rupee sign (U+20B9) is now supported as equivalent to the traditional Rupee sign (U+20A8).
- Croatian localization is improved.
Accessibility (Windows Only)
- JAWS scripts are updated and improved:
- A compatibility problem with recent versions of the JAWS script compiler is fixed.
- Labeling a Unicode value as hex or decimal.
- DBT's manifest file has been updated to better support JAWS.
Mathematics
- Further improves Equation Editor support:
- Support for absolute values and other non-default delimiters
- Support for combining arrows above
- Some problems in the LaTeX importer have been corrected:
- A Greek letter following a function name imports correctly
- Use of $$ to mark the stand and end of displayed math is supported
Command Line Processing
- Command line switches that require file names, e.g. target output files and template names, now work with non-ASCII characters in the file names.
- There is a new command line switch to write Refreshable braille output files: /lbf:path_to_output
Other Improvements
- Error handling when interacting with TactileView is improved. (Windows Only)
- Page break ([lea]) codes with alternative fill characters are correctly handled.
- Logging debug() and info() level messages from Python scripts is now possible.

Service Release SR1 is free to all licensed users of DBT 14.1 for Windows. It includes fixes to the installer, to UI localization, and to macros for the JAWS screen reader.

Duxbury Systems continually revises DBT to add new features, support new and updated embossers, and fix problems, as well as to respond to the latest revisions in braille rules, operating system updates, and third party changes.
Below you will find our advances and improvements since the prior release.
For more sources of information, please take advantage of "Check for Updates" from your DBT Help menu. Or, visit the Duxbury Website for both new information and historical information about DBT features and updates.
Support for SWIFT
- DBT runs a web service that allows connectivity to a web-based implementation of SWIFT.
- All template (.dxt) files have been to revised to correct a minor error in the names of linear styles. This will be needed to work with web-hosted editions of SWIFT.
BANA Braille Template
- DBT 14.1 includes BANA Braille 2024, an updated version of the BANA Braille template created by Susan Christensen.
Language Support
- Sotho (Northern and Southern Pedi) print-to-braille translation has been modified to update contractions per input from a South African authority, as has Tswana translation.
- Mi'kmaq (Mi'kmaw) translation support has been added in this release.
- The Swahili (Kenya) translators (both print-to-braille and braille-to-print) have been updated to correct the handling of a certain shortform.
- The English/Unified (UEB) print-to-braille translation table has been has been updated to correct a problem whereby a required grade 1 indicator could be missing in certain instances where a hyphen immediately follows an expression explicitly declared to be "technical", e.g. when a "math" style is applied to just the "x" in "x-coordinate". This change also affects translation of several uncontracted languages where print-to-braille translation is derived from the UEB table and UEB learning series ("Weebee Dots") translation. Contracted forms of several unusual words have also been corrected in print-to-braille translation.
Embosser Support
- A top margin adjustment automatically applied to ViewPlus Columbia embossers is now also applied to Irie BrailleTrac embossers.
Python: PDF and Macros
- DBT includes support for importing PDF files and a general-purpose macro facility. These two major new features require support of Python, an optional installation component that may be omitted when required by network policy.
Installer
- Operation of the DBT installer in French is corrected.
Mathematics
- Importation of mathematics markup from the Equation Editor built into Microsoft Word 2007 and newer is considerably improved.
Miscellaneous
- DBT/Win display of error messages from failed imports is improved.
- DBT 14.1 corrects a longstanding defect that would cause unusual instances of extra characters being inserted as the start of the first word of each page when importing .brf or .prf files.
- Over eighty new user interface languages are new to DBT 14.1.
We are constantly working on improved language support. If you are interested in specific language improvements, please write to us at languages@duxsys.com.