BUG: Avoid sharing array-based content streams between pages#3681
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stefan6419846 merged 3 commits intopy-pdf:mainfrom Mar 12, 2026
Merged
BUG: Avoid sharing array-based content streams between pages#3681stefan6419846 merged 3 commits intopy-pdf:mainfrom
stefan6419846 merged 3 commits intopy-pdf:mainfrom
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Otherwise, applying a transformation to one of the pages renders all pages referencing the shared objects invalid due to `PageObject.replace_contents` setting them to a `NullObject` without being able to reliable check for further usages.
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #3681 +/- ##
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Coverage 97.39% 97.39%
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Files 55 55
Lines 9964 9967 +3
Branches 1829 1830 +1
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+ Hits 9704 9707 +3
Misses 151 151
Partials 109 109 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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## What's new ### New Features (ENH) - Expose /Perms verification result on Encryption object (#3672) by @costajohnt ### Performance Improvements (PI) - Fix O(n²) performance in NameObject read/write (#3679) by @dmitry-kostin - Batch-parse all objects in ObjStm on first access (#3677) by @dmitry-kostin ### Bug Fixes (BUG) - Avoid sharing array-based content streams between pages (#3681) by @stefan6419846 - Avoid accessing invalid page when inserting blank page under some conditions (#3529) by @j-t-1 [Full Changelog](6.8.0...6.9.0)
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Otherwise, applying a transformation to one of the pages renders all pages referencing the shared objects invalid due to
PageObject.replace_contentssetting them to aNullObjectwithout being able to reliable check for further usages.Closes #3680.