capture2text uses tesseract 4.0 build at 2017 (at the moment 7 years ago!) Check how many commits where made https://github.com/tesseract-ocr/tesseract/commits/main/. Non of them are relevant to you? e.g. speed improvements? Official trainnedata did not changed, but you can do custom fine tuning for you case.
fix build with leptonica 1.70
add option '--dissable-rpath'
remove undeclared function/ old code to fix issue #37
remove unnecesary code, fix code and name style
Correction in condition for checking if the representant is existing and removed also one duplicate code inside method for unifying symbols
option to use autoThresholding. Improved version from bachelor thesis JBIG2 compression http://is.muni.cz/th/208155/fi_b/.
improve configure script for testing of all posible leptonica dependencies
retains DPI from input images (thanks to Steven Lee)
fix issue #32
implemented version info; added urls regarding patents
add VC++ 2008 solution; fix binary file open mode on Windows
implement autotools and directory structure
No, replacing of dll will not work. You have to recompile Capture2Text against tesseract (and its dependencies).
Update to recent version of tesseract
Implement invisible text only for PDF
Fix C-API
fix #712: Ghostscript mangling Tesseract-produced PDFs
add 3.05 to ChangeLog
fix #537: Error in pixClone: pixs not defined
fix #665 process file list
remove obsolete OpenCl code from TessBaseAPI::ProcessPagesMultipageTiff; fixes #635
Better escaping for PDF title; fixes #636
use correct name for Mac OS X, correct link to training wiki; fix #818
Fix help message for unicharset_extractor (#1206)
Improve robustness of function LoadDataFromFile (#1207)
Make font size estimation work with the lstm engine (#1173)
Update unicharset_extractor.cpp (#1153)
require leptonica 1.74 or higher
increase min autoconf version (2.59). Fixes #598.
autotools: test if compiler support -mavx and -...
Multi-page TIFF buffering is broken - fix #233
allow combination of enable/disable
Produce warning for invalid resolution. Fix #453
Merge branch 'master' of https://github.com/tes...
Increase version number in VS2010
fix training build addition to 7c684be7245a (Ad...
Fix a padding problem in ThresholdRectToPixOCL
Fix openCL crash at startup after device profiling
remove install-langs - fix #376
sets justification for ParagraphInfo; fixes #429
print text2image info to stdout instead of strerr
set fonts_dir to system default font location. ...
improve multipage tiff processing (jbreiden pat...
fix #369 - pdf output with transparent backgrou...
Add monitor to GetHOCRText
added row attributes to hocr output
Merge pull request #179 from hamidsafdari/master
Merge pull request #279 from stweil/format
Revert "fix comment about default PSM"
Merge pull request #273 from stweil/stdout
Revert "allow OpenMP in VS2010 LIB_Release"
Merge pull request #280 from stweil/format
update Release Notes (fixes #250)
Merge pull request #321 from stweil/build
Merge pull request #228 from tfmorris/ltr-test-...
Merge pull request #230 from stweil/master
Merge pull request #205 from devurandom/fix/lep...
Merge pull request #311 from robbertkl/patch-1
Merge pull request #259 from innir/abi-break-fix
Merge pull request #270 from edcarroll/master
replace __CYGWIN32__ with __CYGWIN__
Add info for progress monitor, make it visible ...
Merge pull request #211 from amitdo/amitdo-read...
fix #289 mingw64 build
solve segfault for box.train; fixes #57
improve tesseract.pc.in - fixes #241
Merge pull request #255 from amitdo/no-banner
Merge pull request #278 from stweil/format
Merge pull request #323 from stweil/stdout
Merge pull request #191 from amitdo/fix-184
Merge pull request #206 from amitdo/fix-box-tra...
Merge pull request #27 from tesseract-ocr/monitor
Merge pull request #180 from stweil/master
allow OpenMP in VS2010 LIB_Release
add copyright to renderer.cpp and pdfr.cpp
Merge pull request #226 from tfmorris/issue225
remove unused GlyphLessFont files
check for pdf support in leptonica
Merge pull request #198 from egorpugin/master
Merge branch 'master' of https://github.com/tes...
Merge pull request #229 from amitdo/amitdo-read...
Merge pull request #220 from jbarlow83/master
add copyright to C-API
move new&delete histogramAllChannels inside the...
Update INSTALL.GIT.md
Merge pull request #245 from tfmorris/result_re...
Merge pull request #227 from tfmorris/hocr-both
update ChangeLog;
Merge pull request #276 from stweil/format
fix comment about default PSM
Merge pull request #277 from stweil/format
Merge pull request #275 from amitdo/tlog-percent
Merge pull request #299 from mmcco/rm-off_t
Merge pull request #329 from amincheloh/patch-1
Merge pull request #330 from amitdo/training-argv1
Merge pull request #332 from hoiqs/fix_add_str_...
Merge pull request #331 from stweil/master
Merge pull request #167 from stweil/master
Merge pull request #154 from stweil/master