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M G
, …
geisserml
29
Mar 25
Support Linux/ppc64le arch
I agree. FWIW I am mostly fine with GN, and we already provide ppc64le builds nowadays. It is
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Support Linux/ppc64le arch
I agree. FWIW I am mostly fine with GN, and we already provide ppc64le builds nowadays. It is
Mar 25
llewelyn LUO
,
Lei Zhang
2
Mar 19
Issue: PDFium parsing failure on corrupted PDF (works in WPS)
Does Acrobat Reader and macOS Preview.app handle this PDF correctly? In general, if a PDF is
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Issue: PDFium parsing failure on corrupted PDF (works in WPS)
Does Acrobat Reader and macOS Preview.app handle this PDF correctly? In general, if a PDF is
Mar 19
llewelyn LUO
Mar 7
Parse error
Dear PDFium Team, I'm running into a PDF parsing failure with a ~10MB file that renders correctly
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Parse error
Dear PDFium Team, I'm running into a PDF parsing failure with a ~10MB file that renders correctly
Mar 7
Lei Zhang
,
geisserml
3
Feb 15
Proposal to require Rust to build PDFium
Also, I wanted to ask, is there are chance that we could get use_system_* options for rustpng,
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Proposal to require Rust to build PDFium
Also, I wanted to ask, is there are chance that we could get use_system_* options for rustpng,
Feb 15
Helmut Januschka
,
Lei Zhang
3
Feb 14
JPEG XL support in PDF / PDFium?
Thanks for filing https://crbug.com/482074621 for this. On Tue, Feb 3, 2026 at 12:04 PM Lei Zhang
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JPEG XL support in PDF / PDFium?
Thanks for filing https://crbug.com/482074621 for this. On Tue, Feb 3, 2026 at 12:04 PM Lei Zhang
Feb 14
Jorgen Christiansen
, …
Jorgen Christiansen
4
Feb 3
16K Alignment
ありがとう Jorgen Christiansen From: Takashi Kawasaki <
[email protected]
> Sent: Monday,
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16K Alignment
ありがとう Jorgen Christiansen From: Takashi Kawasaki <
[email protected]
> Sent: Monday,
Feb 3
尼古拉特斯拉
,
Lei Zhang
2
Jan 28
Subject: Request to Restore PDF Object Stream Compression Saving Functionality
On Tue, Jan 27, 2026 at 1:58 AM 尼古拉特斯拉 <
[email protected]
> wrote: > My Questions: >
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Subject: Request to Restore PDF Object Stream Compression Saving Functionality
On Tue, Jan 27, 2026 at 1:58 AM 尼古拉特斯拉 <
[email protected]
> wrote: > My Questions: >
Jan 28
Vincent Jantet
, …
geisserml
3
Jan 23
Feature Request: Static Linking Support for bblanchon.PDFium.iOS (Unity Compatibility)
See eg https://github.com/bblanchon/pdfium-binaries/issues/36#issuecomment-800055227 On Wednesday,
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Feature Request: Static Linking Support for bblanchon.PDFium.iOS (Unity Compatibility)
See eg https://github.com/bblanchon/pdfium-binaries/issues/36#issuecomment-800055227 On Wednesday,
Jan 23
guust ysebie
,
Lei Zhang
3
Jan 15
Timeline to support brotli compression?
Created: https://issues.chromium.org/issues/475855993#comment1 On Wednesday, 14 January 2026 at 18:44
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Timeline to support brotli compression?
Created: https://issues.chromium.org/issues/475855993#comment1 On Wednesday, 14 January 2026 at 18:44
Jan 15
Ann-Sofie
,
Lei Zhang
4
Jan 15
FPDFAnnot_GetObject and FPDFPageObj_GetMatrix
Thanks for filing crbug.com/475719025. On Wed, Jan 14, 2026 at 1:20 AM 'Ann-Sofie' via pdfium
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FPDFAnnot_GetObject and FPDFPageObj_GetMatrix
Thanks for filing crbug.com/475719025. On Wed, Jan 14, 2026 at 1:20 AM 'Ann-Sofie' via pdfium
Jan 15
andy E
,
Lei Zhang
2
Jan 13
multi-threaded render
No. On Mon, Jan 12, 2026 at 9:20 AM andy E <
[email protected]
> wrote: > > Does the
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multi-threaded render
No. On Mon, Jan 12, 2026 at 9:20 AM andy E <
[email protected]
> wrote: > > Does the
Jan 13
吴吴
,
Lei Zhang
2
Jan 10
FPDF_RenderPageBitmapWithMatrix API
You can try with your workloads and see which works best for you. FWIW, PDFium is trying to switch to
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FPDF_RenderPageBitmapWithMatrix API
You can try with your workloads and see which works best for you. FWIW, PDFium is trying to switch to
Jan 10
尼古拉特斯拉
,
Lei Zhang
2
Jan 7
Inquiry About PDFium Support for Portfolio (File Attachment) Functionality
Hi, Please take a look at FPDFDoc_GetAttachment(), FPDFAttachment_GetName() and
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Inquiry About PDFium Support for Portfolio (File Attachment) Functionality
Hi, Please take a look at FPDFDoc_GetAttachment(), FPDFAttachment_GetName() and
Jan 7
geisserml
6
12/23/25
Is it possible to cross-compile with is_clang=false ?
As to the initial question, I can now say the answer is also yes (my colleague recently cross-
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Is it possible to cross-compile with is_clang=false ?
As to the initial question, I can now say the answer is also yes (my colleague recently cross-
12/23/25
John Paul Adrian Glaubitz
,
Lei Zhang
11
12/2/25
[PATCH] core/fxcrt/numerics: Fix incorrect preprocessor check on aarch64
On Mon, 2025-12-01 at 13:26 -0800, Lei Zhang wrote: > On Mon, Dec 1, 2025 at 1:22 PM John Paul
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[PATCH] core/fxcrt/numerics: Fix incorrect preprocessor check on aarch64
On Mon, 2025-12-01 at 13:26 -0800, Lei Zhang wrote: > On Mon, Dec 1, 2025 at 1:22 PM John Paul
12/2/25
tan zhiyuan
, …
Lei Zhang
5
12/2/25
Crash issue when using FPDFBookmark_GetDest and FPDFDest_GetDestPageIndex on Linux-musl-arm64 with version 144.0.7543.0
The default stack size in HarmonyOS is 8 MB, which is far larger than the memory consumed by eight
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Crash issue when using FPDFBookmark_GetDest and FPDFDest_GetDestPageIndex on Linux-musl-arm64 with version 144.0.7543.0
The default stack size in HarmonyOS is 8 MB, which is far larger than the memory consumed by eight
12/2/25
geisserml
,
Lei Zhang
5
11/15/25
GN error when attempting to build on Windows 11 arm64 natively
Thanks for the info, I'll post any future questions about //build on chromium-dev then. On Friday
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GN error when attempting to build on Windows 11 arm64 natively
Thanks for the info, I'll post any future questions about //build on chromium-dev then. On Friday
11/15/25
nadeeshan 2021
11/1/25
Highlight Annotation Colors Are Not Read by FPDFPageObj_GetFillColor or FPDFPageObj_GetStrokeColor
Hello all, I am working with PDF files that contain highlight annotations, and I noticed an issue
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Highlight Annotation Colors Are Not Read by FPDFPageObj_GetFillColor or FPDFPageObj_GetStrokeColor
Hello all, I am working with PDF files that contain highlight annotations, and I noticed an issue
11/1/25
Александр Рыбалов
,
Lei Zhang
4
10/17/25
Build PDFium as static library on Linux, with use_custom_libcxx flag
is_component_build=false pdf_is_standalone=true pdf_is_complete_lib=true use_custom_libcxx=false
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Build PDFium as static library on Linux, with use_custom_libcxx flag
is_component_build=false pdf_is_standalone=true pdf_is_complete_lib=true use_custom_libcxx=false
10/17/25
Paulo Coutinho
, …
Lei Zhang
5
10/16/25
Android 16 KB page size support
Hi, I made a tool to check APK, AAB and SO direct. It is free and open source: https://cavfy.com/
unread,
Android 16 KB page size support
Hi, I made a tool to check APK, AAB and SO direct. It is free and open source: https://cavfy.com/
10/16/25
Loc Zhang (上杉夏香)
,
Lei Zhang
2
10/16/25
Is it possible to create Line and Watermark annotation into pdf?
Please add this as 2 separate feature requests on the bug tracker: https://crbug.com/pdfium/new, one
unread,
Is it possible to create Line and Watermark annotation into pdf?
Please add this as 2 separate feature requests on the bug tracker: https://crbug.com/pdfium/new, one
10/16/25
Kuka
,
Lei Zhang
2
10/16/25
Rendering speed and quality
Yes! On Sun, Sep 14, 2025 at 8:40 PM Kuka <
[email protected]
> wrote: > > Has the
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Rendering speed and quality
Yes! On Sun, Sep 14, 2025 at 8:40 PM Kuka <
[email protected]
> wrote: > > Has the
10/16/25
blem
, …
Lei Zhang
4
10/16/25
unable to build pdfium
The OP references origin/chromium/3061 from early 2017. Is the build really for that PDFium branch,
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unable to build pdfium
The OP references origin/chromium/3061 from early 2017. Is the build really for that PDFium branch,
10/16/25
Enin Kaduk
,
Lei Zhang
2
10/16/25
Adopt the possibility to view and write "ɔ" letters for African languages
Please report this issue on the bug tracker: https://crbug.com/pdfium/new On Wed, Oct 15, 2025 at 9:
unread,
Adopt the possibility to view and write "ɔ" letters for African languages
Please report this issue on the bug tracker: https://crbug.com/pdfium/new On Wed, Oct 15, 2025 at 9:
10/16/25
Kuka
, …
K. Moon
4
9/13/25
Is XFA form filling supported now?
1. This would be a question for the Chromium project, not the PDFium project. 2. This is completely
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Is XFA form filling supported now?
1. This would be a question for the Chromium project, not the PDFium project. 2. This is completely
9/13/25
Something Something
,
geisserml
8
9/9/25
Is it possible to encode an image of the same content as a pdf page when encoded with FPDF_RenderPageBitmap?
Hi, sorry for the late response, I've taken your advice and they really do wonders in improving
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Is it possible to encode an image of the same content as a pdf page when encoded with FPDF_RenderPageBitmap?
Hi, sorry for the late response, I've taken your advice and they really do wonders in improving
9/9/25
Loc Zhang (上杉夏香)
9/5/25
Why can't I delete the annotations in the pdf file.
Here is my logic: 1.I use FPDFPage_GetAnnotCount to get count annotations of an page 2.traversal
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Why can't I delete the annotations in the pdf file.
Here is my logic: 1.I use FPDFPage_GetAnnotCount to get count annotations of an page 2.traversal
9/5/25
Loc Zhang (上杉夏香)
,
Lei Zhang
2
9/5/25
FPDF_SaveAsCopy with SaveFlagIncremental but the annotation I added don't work
See crbug.com/42270523 and https://pdfium-review.googlesource.com/135350. On Mon, Aug 25, 2025 at 9:
unread,
FPDF_SaveAsCopy with SaveFlagIncremental but the annotation I added don't work
See crbug.com/42270523 and https://pdfium-review.googlesource.com/135350. On Mon, Aug 25, 2025 at 9:
9/5/25
Loc Zhang (上杉夏香)
9/4/25
If I add annotations into pdf, should I must set AP(appearance streams)?
for example, I add Square annotation 1.create annotation 2.set rect 3.set color 4.save file but I
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If I add annotations into pdf, should I must set AP(appearance streams)?
for example, I add Square annotation 1.create annotation 2.set rect 3.set color 4.save file but I
9/4/25
吴吴
,
Lei Zhang
3
9/4/25
Very serious memory leak
Thanks for reporting the issue. I believe this is https://crbug.com/42270200. On Tue, Sep 2, 2025 at
unread,
Very serious memory leak
Thanks for reporting the issue. I believe this is https://crbug.com/42270200. On Tue, Sep 2, 2025 at
9/4/25
