5.4.1

What's Changed

This release fixes a regression with legacy or mixed models (issue #4257).

• Avoid FP overflow in NormEvidenceOf (fixes issue #4257) by @stweil in #4259
• Update deprecated Node.js 16 GitHub actions by @stweil in #4262
• Fix code style issues which were reported by Codacy by @stweil in #4263
• Fix some issues which were reported by Codacy by @stweil in #4266
• Fix more Codacy issues by @stweil in #4267
• Several build fixes by @zdenop

Full Changelog: 5.4.0...5.4.1

5.4.0

What's Changed

This releases provides an improved PDF renderer, adds a new PAGE XML renderer, extends the API to retrieve the text angle/gradient and has lots of smaller updates for code and documentation:

• Update appveyor.yml - Url has changed by @softwaretirol in #4188
• Fix grey result of indexed PNG in pdfrenderer. by @sjbronner in #4189
• Fix some typos by @stweil in #4191
• normstrngs: add more hyphens and quotes by @bertsky in #4195
• Rename frk -> deu_latf (ISO 639-3, ISO 15924) by @stweil in #4202
• Fix some performance issues which were reported by Coverity Scan by @stweil in #4204
• Remove broken Dockerfile by @stweil in #4205
• PAGE XML renderer / export by @JKamlah in #4214
• Remove unsupported OpenCL code and related API functions by @stweil in #4220
• facilitate vectorization for generic build by @heshpdx in #4223
• Support training without lstmf files by @stweil in #4215
• Simplify GridSearch<...> variables using typedef equivalents by @sadra-barikbin in #4226
• Use std::min and std::max for min & max operations in makerow.cpp::most_overlapping_row() by @sadra-barikbin in #4229
• Fix a few typos in comments by @sadra-barikbin in #4227
• Remove an unused variable in paragraphs.cpp::DetectParagraphs() by @sadra-barikbin in #4228
• A few refactors in some files by @sadra-barikbin in #4225
• Fix output and issues reported by Coverity Scan for PAGE XML renderer by @stweil in #4234
• Update documentation by @stweil in #4235
• Fix some issues which were reported by GitHub code scanning by @stweil in #4236
• Improve CCUtil::main_setup (fixes issue #4230) by @stweil in #4239
• Allow for text angle/gradient to be retrieved by @Balearica in #4070
• Fix setup of datadir on installations with Conda (issue #4230) by @stweil in #4240
• Fix FP exception in Wordrec::angle_change (issue #4242) by @stweil in #4243
• Use AM_CPPFLAGS also for compilation of all sources by @stweil in #4244
• Fix some compiler warnings by @stweil in #4245
• Remove unused xmlns:xlink from ALTO renderer by @stweil in #4241
• Fix some compiler warnings by @stweil in #4246
• Fixes #4247: remove unnecessary nullptr checks by @hribz in #4248
• Avoid redundant conversion from std::string to char * to std::string by @stweil in #4249
• Replace strcpy and strncpy by new inline helper function by @stweil in #4250
• Make function Network::spec pure virtual by @stweil in #4253

New Contributors

• @softwaretirol made their first contribution in #4188
• @sjbronner made their first contribution in #4189
• @JKamlah made their first contribution in #4214
• @heshpdx made their first contribution in #4223
• @Balearica made their first contribution in #4070
• @hribz made their first contribution in #4248

Full Changelog: 5.3.4...5.4.0

5.4.0-rc2

What's Changed

• Fix setup of datadir on installations with Conda (issue #4230) by @stweil in #4240
• Fix FP exception in Wordrec::angle_change (issue #4242) by @stweil in #4243
• Update sw.yml

Full Changelog: 5.4.0-rc1...5.4.0-rc2

5.4.0-rc1

What's Changed

This releases provides an improved PDF renderer, adds a new PAGE XML renderer, extends the API to retrieve the text angle/gradient and has lots of smaller updates for code and documentation:

• Update appveyor.yml - Url has changed by @softwaretirol in #4188
• Fix grey result of indexed PNG in pdfrenderer. by @sjbronner in #4189
• Fix some typos by @stweil in #4191
• normstrngs: add more hyphens and quotes by @bertsky in #4195
• Rename frk -> deu_latf (ISO 639-3, ISO 15924) by @stweil in #4202
• Fix some performance issues which were reported by Coverity Scan by @stweil in #4204
• Remove broken Dockerfile by @stweil in #4205
• PAGE XML renderer / export by @JKamlah in #4214
• Remove unsupported OpenCL code and related API functions by @stweil in #4220
• facilitate vectorization for generic build by @heshpdx in #4223
• Support training without lstmf files by @stweil in #4215
• Simplify GridSearch<...> variables using typedef equivalents by @sadra-barikbin in #4226
• Use std::min and std::max for min & max operations in makerow.cpp::most_overlapping_row() by @sadra-barikbin in #4229
• Fix a few typos in comments by @sadra-barikbin in #4227
• Remove an unused variable in paragraphs.cpp::DetectParagraphs() by @sadra-barikbin in #4228
• A few refactors in some files by @sadra-barikbin in #4225
• Fix output and issues reported by Coverity Scan for PAGE XML renderer by @stweil in #4234
• Update documentation by @stweil in #4235
• Fix some issues which were reported by GitHub code scanning by @stweil in #4236
• Improve CCUtil::main_setup (fixes issue #4230) by @stweil in #4239
• Allow for text angle/gradient to be retrieved by @Balearica in #4070

New Contributors

• @softwaretirol made their first contribution in #4188
• @sjbronner made their first contribution in #4189
• @JKamlah made their first contribution in #4214
• @heshpdx made their first contribution in #4223
• @Balearica made their first contribution in #4070

Full Changelog: 5.3.4...5.4.0-rc1

5.3.4

What's Changed

• Fixes for autoconf, clang and sw builds
• Send output of combine_tessdata -d to stdout instead of stderr. Fixes #4149 by @tfmorris in #4150
• Move bail_out function before libtoolize check by @STMiki in #4151
• Improve OCR for an image URL
  • Fail on curl download errors
  • Add new parameter curl_cookiefile for curl_easy_setopt by @stweil in #4156
  • Set User-Agent: header field in HTTP request for curl downloads
• Force TCP v4 for socket to ScrollView server. Fixes #3000 by @tfmorris in #4162
• Fix some compiler warnings and avoid unnecessary conversions from std::string to char pointer by @stweil in #4174
• Fix a tiny typo in publictypes.h by @sadra-barikbin in #4178
• Fixes for autoconf, clang and sw builds
• Other small improvements for code and documentation.

New Contributors

• @STMiki made their first contribution in #4151
• @sadra-barikbin made their first contribution in #4178

Full Changelog: 5.3.3...5.3.4

5.3.3

What's Changed

• Disable -mfpu=neon for aarch64 by @hesmar in #4098
• Fix build without git clone in cloned directory by @pkubaj in #4099
• Fix some issues which were reported by Coverity Scan by @stweil in #4097
• Update ScrollView.java by @Parryword in #4103
• Fix some code comments by @stweil in #4113
• Optimize function ImageFind::FindImages by @stweil in #4114
• Rename BibTex file to please GitHub by @stweil in #4115
• Fix Broken URLs in citations.bib by @kevinunger in #4118
• initDSProfile: correct std::vector usage by @stima in #4124
• Fix typo in stepblob.h by @eltociear in #4133
• Fix regression in layout detection since 5.0.0 (fixes issue #4014) by @stweil in #4136
• Update ScrollView.java by @Parryword in #4104
• Fix loading of sublangs (regression) by @stweil in #4141

New Contributors

• @hesmar made their first contribution in #4098
• @Parryword made their first contribution in #4103
• @kevinunger made their first contribution in #4118
• @stima made their first contribution in #4124
• @eltociear made their first contribution in #4133

Full Changelog: 5.3.2...5.3.3

5.3.2

What's Changed

• fix: Fix snap package building by @brlin-tw in #4043
• Support for Sgaw and W Pwo Karen languages in the Myanmar validator. by @ben417 in #4065
• Replace bool array by more compact vector by @stweil in #4067
• Replace deprecated sprintf by @stweil in #4068
• Improve format of logging from lstmtraining by @stweil in #4066
• Clean code by @stweil in #4071
• Abort with error message if OSD is requested with LSTM-only model by @stweil in #4073
• Fix typos by @luzpaz in #4096

New Contributors

• @ben417 made their first contribution in #4065
• @luzpaz made their first contribution in #4096

Full Changelog: 5.3.1...5.3.2

5.3.1

What's Changed

• Update README.md by @seupedro in #3992
• Fix FP division by zero (issue #3995) by @stweil in #3996
• Fix linkage of icu and pango by @autoantwort in #4006
• Fix build with gcc 13 by including by @kraj in #4009
• msvc debug: fix wrong lib name in generated pkgconfig file by @autoantwort in #4008
• Fix libdir in tesseract.pc from CMake by @ferdnyc in #4013
• Replace 'can not' by 'cannot' by @stweil in #4015
• Readme: Link to list of supported languages by @tooomm in #4027
• Improve the DebugDump output by slightly adjusting the format. by @GerHobbelt in #4022
• Fix issue #4010 by @amitdo in #4041

New Contributors

• @seupedro made their first contribution in #3992
• @autoantwort made their first contribution in #4006
• @kraj made their first contribution in #4009
• @ferdnyc made their first contribution in #4013
• @tooomm made their first contribution in #4027

Full Changelog: 5.3.0...5.3.1

5.3.0

This is a new minor version of Tesseract 5.

What's Changed

• Fix memory issues in ScrollView::MessageReceiver by @p12tic in #3872
• autotools: Add rule for svpaint executable by @stweil in #3873
• Replace call of exit function by return statement in main function by @stweil in #3878
• Fix the build on CodeQL/Analyze by @arseniy-sonar in #3888
• CI: Remove Ubuntu 18.04 by @amitdo in #3902
• configure.ac: fix build on aarch64_be by @ffontaine in #3907
• SW CI: Add paths filter by @amitdo in #3908
• Create .mailmap by @amitdo in #3910
• Fix tesseract.pc from cmake to match autotools by @jeroen in #3930
• Update README.md by @nicholasz2510 in #3935
• Fixed 2 errors by @Gitoffthelawn in #3938
• fix issue #3940 - remove colormap before thresholding by @zdenop in #3942
• Update upload-artifact action by @rettinghaus in #3949
• Update checkout action to version 3 by @rettinghaus in #3948
• Fix Markdownlint by @Saibamen in #3950
• Fix broken links in CONTRIBUTING.md by @doraeric in #3951
• pdfrenderer.cpp: Ignore non-text blocks by @amitdo in #3959
• lstm.train: allow .box from .raw.png too by @bertsky in #3962
• Fix a number of performance issues (reported by Coverity Scan) by @stweil in #3967
• Fix training tools for legacy engine (issue #3925) by @stweil in #3970
• Fix function tesseract::WriteFeature (issue #3925) by @stweil in #3972
• Modernize function ObjectCache::DeleteUnusedObjects (fix issue with s… by @stweil in #3978
• More fixes for issue #3925 by @stweil in #3977

New Contributors

• @p12tic made their first contribution in #3872
• @arseniy-sonar made their first contribution in #3888
• @nicholasz2510 made their first contribution in #3935
• @rettinghaus made their first contribution in #3949
• @Saibamen made their first contribution in #3950
• @doraeric made their first contribution in #3951

Full Changelog: 5.2.0...5.3.0

5.3.0-rc1

What's Changed

• Fix memory issues in ScrollView::MessageReceiver by @p12tic in #3872
• autotools: Add rule for svpaint executable by @stweil in #3873
• Replace call of exit function by return statement in main function by @stweil in #3878
• Fix the build on CodeQL/Analyze by @arseniy-sonar in #3888
• CI: Remove Ubuntu 18.04 by @amitdo in #3902
• configure.ac: fix build on aarch64_be by @ffontaine in #3907
• SW CI: Add paths filter by @amitdo in #3908
• Create .mailmap by @amitdo in #3910
• Fix tesseract.pc from cmake to match autotools by @jeroen in #3930
• Update README.md by @nicholasz2510 in #3935
• Fixed 2 errors by @Gitoffthelawn in #3938
• fix issue #3940 - remove colormap before thresholding by @zdenop in #3942
• Update upload-artifact action by @rettinghaus in #3949
• Update checkout action to version 3 by @rettinghaus in #3948
• Fix Markdownlint by @Saibamen in #3950
• Fix broken links in CONTRIBUTING.md by @doraeric in #3951
• pdfrenderer.cpp: Ignore non-text blocks by @amitdo in #3959
• lstm.train: allow .box from .raw.png too by @bertsky in #3962
• Fix a number of performance issues (reported by Coverity Scan) by @stweil in #3967
• Fix training tools for legacy engine (issue #3925) by @stweil in #3970
• Fix function tesseract::WriteFeature (issue #3925) by @stweil in #3972
• Modernize function ObjectCache::DeleteUnusedObjects (fix issue with s… by @stweil in #3978
• More fixes for issue #3925 by @stweil in #3977

New Contributors

• @p12tic made their first contribution in #3872
• @arseniy-sonar made their first contribution in #3888
• @nicholasz2510 made their first contribution in #3935
• @rettinghaus made their first contribution in #3949
• @Saibamen made their first contribution in #3950
• @doraeric made their first contribution in #3951

Full Changelog: 5.2.0...5.3.0-rc1