✨ Features

• Add font style cloning and optimize style merging [#326]
• Add ignoreHiddenSheet parameter [#354]
• Add support for custom CSVFormat [#353]
• Add support for 1904 date system config [#435]
• Add WriteSheetWorkbookWriteHandler to control sheet order [#411]
• Add nightly build & CI enhancements (unit test results, coverage) [#422][#424][#437]
• Add initial Docusaurus site structure [#476]

🐛 Bugfixes

• Fix complex header & repeat cases [#334][#315]
• Fix custom converter map key generation [#322]
• Fix data format & POI write issues [#341][#348]
• Fix model binding problem [#346]
• Fix encrypted xlsx read exception [#394]
• Fix ExcelIgnore & ExcelProperty conflict [#427]
• Fix ReadSheet object comparison issue [#468]
• Fix hex encoding issues in xls/csv [#470]

📚 Documentation

• Reorganize documentation structure and add new content [#445]
• Add docs for reading & writing CSV [#450][#463]
• Update multiple chapters (Read, Write, Help, etc.) [#451][#452][#460][#469][#498]
• Add English docs and optimise guidelines [#474][#479][#480]
• Add PR/contributing templates & badges [#407][#408][#471]

🛠️ Chore / Refactor

• Merge fastexcel-core & test module into main [#426][#475]
• Refactor FastExcelFactory & StyleUtil [#454][#466]
• Require JDK 21+ for dev [#436]
• Introduce spotless, CodeQL, dependabot configs [#428][#501][#525]
• Upgrade Apache POI to 5.4.1 [#356]
• Cleanup unused files and update pom formatting [#429][#432]
• Optimize logging with Lombok @slf4j [#448]

Detail Changed

• ci: add onclick action in release by @psxjoy in #318
• ci: revert release action by @psxjoy in #319
• chore: revert ci action and mvnw by @psxjoy in #320
• chore: update Maven wrapper script by @psxjoy in #321
• fix: complex header test by @alaahong in #334
• fix: fix repeat cases by @alaahong in #315
• Comments on some classes by @HuangZhanQi in #278
• feat(core): Add font style cloning method and optimize style merging … by @wangmiscoding in #326
• fix: update custom converter map key generation by @delei in #322
• 添加 issue 提交模板 by @Sylphy-Greyrat in #338
• chore: improve issue templates by @tisonkun in #344
• fix: fix data format by @alaahong in #341
• fix: fix poi write by @alaahong in #348
• build: upgrade Apache POI to version 5.4.1 by @delei in #356
• fix: fix model binding issue by @DevDengChao in #346
• test: Add web input stream test by @alaahong in #361
• test: Add comment test by @alaahong in #360
• feat: add ignoreHiddenSheet parameter by @delei in #354
• fix: escape hexadecimal-encoded by @psxjoy in #367
• fix: Fix style test by @alaahong in #371
• fix: fix all cases by @alaahong in #372
• [Doc] optimize the README file by @delei in #369
• feat: enable all verification in ci by @alaahong in #390
• feat: add support for a custom CSVFormat by @delei in #353
• Revert "feat: enable all verification in ci" by @psxjoy in #392
• doc: add pull request template to improve contribution process by @delei in #407
• doc: add DeepWiki and ReadmeX badges by @delei in #408
• 🔧 update snapshotRepository url by @xuxiaowei-com-cn in #396
• fix: read encrypted xlsx file exception by @delei in #394
• feat: Add Unit Test Results within PR CI by @alaahong in #424
• refactor!: merge fastexcel-core into fastexcel by @tisonkun in #426
• chore: introduce spotless integration by @tisonkun in #428
• chore: remove unused files by @tisonkun in #429
• feat: add code coverage report in ci by @alaahong in #422
• chore: trim whitespaces for other files by @tisonkun in #431
• chore: update pom.xml for improved formatting and add JDK 8+ profile by @psxjoy in #432
• chore: require JDK 21+ for dev in CONTRIBUTING by @tisonkun in #436
• feat: add support to set 1904 date system based on global configuration by @delei in #435
• fix: FastExcel won't ignore the field while both annotated @ExcelIgnore in Child and @ExcelProperty in Parent by @alaahong in #427
• doc: add documentation for FastExcel project by @psxjoy in #419
• feat: add nightly build for fully test by @alaahong in #437
• optimize this by standardizing on the @slf4j annotation from Lombok for all logging operations by @weihubeats in #448
• docs: reorganize documentation structure and add new content by @delei in #445
• docs: update Chapter 2-Read by @delei in #451
• docs: update Chapter 6-Help by @delei in #452
• docs: add documentation for reading CSV files by @echonesis in #450
• docs: update Chapter 3-Write by @delei in #460
• docs: add documentation for writing CSV files by @echonesis in #463
• docs: update Chapter 5 and Chapter 6 by @delei in #469
• bugfix: Fixed the issue where different ReadSheet objects could not get the correct value when comparing them. by @softlg in #468
• docs: update pull request template to include contributing guide acknowledgment by @alaahong in #471
• docs: proofread Chinese version of document by @delei in #472
• fix: fix hex impacting on xls and csv by @alaahong in #470
• refactor: merge test module to the main module by @tisonkun in #475
• refactor: optimize the StyleUtil code by @weihubeats in #466
• feat: add initial Docusaurus site structure with example pages by @psxjoy in #476
• fix: update GitHub Actions to use DOC_PAT_TOKEN for deployment by @psxjoy in #477
• docs: initialise English version by @delei in #474
• docs: update readme for latest doc by @alaahong in #478
• docs: update development and contributing guidelines for Maven and JDK versions by @alaahong in #479
• docs: update official documentation links in README files by @alaahong in #480
• docs: optimise docusaurus tools and website content by @delei in #481
• docs: remove package-lock.json by @delei in #482
• ci: replace npm ci with npm install by @delei in #483
• docs: update Docusaurus configuration by @delei in #486
• chore: align tests structure by @tisonkun in #484
• docs: update English Chapter 2-Read by @echonesis in #487
• docs: add markdownlint-cli2 library by @delei in #489
• docs: update development setup and documentation guidelines by @delei in #491
• docs: update English Chapter 3-Write by @echonesis in #492
• chore: reorder READMEs by @tisonkun in #495
• chore: poi releases simultaneously by @tisonkun in #496
• docs: update Chapter 4 and 6 in English Version by @delei in #498
• docs: optimize all markdown files to meet markdownlint rules by @delei in #499
• chore: add markdown lint check for markdown files on push and pull request by @alaahong in #497
• chore: add dependabot config by @psxjoy in #501
• chore: optimize dependabot and PR templates in workflow by @delei in #511
• feat: add WriteSheetWorkbookWriteHandler to set the order of sheets by @delei in #411
• chore: move test class to main module. by @psxjoy in #520
• docs: update log messages and comments in CellDataDemoHeadDataListener by @zhuangjiaju in #523
• 1.3.0 rc2 by @zhuangjiaju in #524
• Modify the log to English by @zhuangjiaju in #527
• chore: add CodeQL security scan workflow for automated analysis by @alaahong in #525
• chore:update doc files. by @psxjoy in #530
• refactor: correct legacy references to latest usage by @alaahong in #532
• refactor: remove issue links and comments from code by @delei in #533
• chore: remove unnecessary package.json by @delei in #534
• refactor: FastExcelFactory by @weihubeats in #454
• release: update version by @psxjoy in #543

New Contributors

• @Sylphy-Greyrat made their first contribution in #338
• @DevDengChao made their first contribution in #346
• @xuxiaowei-com-cn made their first contribution in #396
• @weihubeats made their first contribution in #448
• @echonesis made their first contribution in #450
• @softlg made their first contribution in #468
• @zhuangjiaju made their first contribution in #523

Full Changelog: 1.2.0...1.3.0