v2.7.1

## New Projects
* Add Parseq recognition model.(#10836)
* Add text recognition function to return single character coordinates.(#10515)

## New Features
* Add savefile option to save OCR output results.(#10628)
* Add more data preprocessing options to ppocr.py.(#10217)
* A single damaged image does not affect data set inference. (#10216)
* Compatible with fitz version. (#10181)
* Compatible with Pillow10.0 upgrade. (#10405)
* Add Finnish dictionary file. (#10850)
* Onnxruntime supports GPU. (#10668)
* TIPC supports XPU and NPU. (#10658, #10460)
* Add inference on mlu devices. (#10249)


## BugFix
* Fixed cannot find the library error when packaged into exe on windows. (#10502)
* Fixed the bug of recognize page is affected by the maximum number of PDF files when recognize multiple PDF files. (#10290)
* Fixed the problem of PPOCRLabel startup failure caused by mismatch in channel number. (#10847)
* Fix memory leak problem of cpp inference. (#10441)
* Modify DSR error caused by data enhancement. (#10662)
* Fix training seed problem. (#10614)
* Fix table_master tipc error. (#10514)
* Fixed the problem of error reporting when ppocr.py uses wandb. (#10251)
* Fix memory leak in predict_rec.py. (#10688)
* Fixed the issue where dis and iou cannot be calculated correctly due to the index error of structure_boxes in the PaddleStructure::rebuild_table function. (#10810)
* Compatible with paddle 2.5 fluid exit. (#10391)
* Fix the performance problem of Tensor.numpy under stride. (#10773)
* Adapt the size of ABINet during export to the size of ABINetRecResizeImg. (#10892)
* ABINet training error. (#10744)
* Fix KeyError in ch_PP-OCRv4_rec_distill.yml. (#10761)

## Documentations Fix
* Fix algorithm_kie_vi_layoutxlm_en.md, kie_datasets_en.md, README.md, algorithm_overview.md, how_to_do_kie_en.md document issues. (#10717)
* Update documentation issues with setup.py. (#10749)
* Add pyyaml ​​library in requirements.txt. (#10653)


## New Projects
* 增加Parseq 识别模型。（#10836）
* 增加文字识别返回单字识别坐标功能。（#10515）

## New Features
* 增加savefile选项，保存ocr输出结果。（#10628）
* 增加ppocr.py 更多数据预处理选项。（#10217）
* 单张破损图片不影响整体数据集推理。（#10216）
* 兼容fitz版本。（#10181）
* 兼容Pillow10.0升级。（#10405）
* 增加芬兰语字典文件。（#10850）
* Onnxruntime 支持GPU。（#10668）
* TIPC支持XPU、NPU。（#10658，#10460）
* 增加在mlu设备上的推理。（#10249）


## BugFix
* 修复windows打包成exe找不到库的问题。（#10502）
* 修复多次识别pdf，受第一次页面最大数量影响的bug。（#10290） 
* 修复通道数不匹配造成的PPOCRLabel启动失败问题。（#10847）
* 修复cpp推理的内存泄漏问题。（#10441）
* 修改数据增强导致的DSR报错。(#10662） 
* 修复训练seed传递问题。（ #10614）
* 修复 table_master tipc 报错。（#10514）
* 修复ppocr.py使用wandb报错问题。（#10251）
* 修复predict_rec.py中的内存泄漏问题。（#10688）
* 修复PaddleStructure::rebuild_table函数中structure_boxes的索引错误导致dis和iou无法正确计算的问题。（#10810）
* 兼容paddle 2.5 fluid退场。 （#10391）
* 修复stride下Tensor.numpy的性能问题。（#10773）
* ABINet导出时尺寸适应 ABINetRecResizeImg 的尺寸。（#10892）
* ABINet训练报错问题。（#10744）
* 解决ch_PP-OCRv4_rec_distill.yml中的keyError报错问题。（#10761）


## Documentations Fix
* 修复 algorithm_kie_vi_layoutxlm_en.md、kie_datasets_en.md 、README.md、algorithm_overview.md、how_to_do_kie_en.md文档问题（#10717）
* 更新setup.py的文档问题（#10749）
* 修复requirements.txt中没有pyyaml库的问题（#10653）


## New Contributors
* @RuohengMa made their first contribution in https://github.com/PaddlePaddle/PaddleOCR/pull/10614
* @WilliamQf-AI made their first contribution in https://github.com/PaddlePaddle/PaddleOCR/pull/10628
* @xlg-go made their first contribution in https://github.com/PaddlePaddle/PaddleOCR/pull/10744
* @Gmgge made their first contribution in https://github.com/PaddlePaddle/PaddleOCR/pull/10777
* @victor30608 made their first contribution in https://github.com/PaddlePaddle/PaddleOCR/pull/11025

**Full Changelog**: https://github.com/PaddlePaddle/PaddleOCR/compare/v2.7.0...v2.7.1