The PS5 FPKG Builder v1.4.3 now includes a much broader feature set compared with v1.4.2.
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DRM and PlayGo fixes
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PlayGo map creation fix
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improved image and PlayGo validation
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fix for packaging uncompressed chunks
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default DRM set to
Standard -
automatic alignment of
requiredSystemSoftwareVersionwith the selected Target SDK -
Supported source formats
- Folder → PKG
- exFAT → PKG
- FFPFS / FFPFSC / PFS → PKG
- FFPKG / UFS2 → PKG
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Improved exFAT workflow
- more reliable OSFMount detection
- automatic free drive-letter selection
- mount ownership verification
- automatic unmount before PKG building
- cleanup of stale mounts from previous sessions or crashes
- support for OSFMount
Mount point / Image fileoutput - retry logic during unmount
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Integrated Backport Engine
- integrated
bp2_tool.py - available targets:
1.00 / 2.00 / 3.00 / 4.00 / 5.00 / 6.00 / 7.00 / 8.00 / 9.00 - patches
.bin,.elf,.self,.prx,.sprx - recreates Fake SELF files
- works only on the temporary working copy, never the original source
- always runs before PKG building
- automatically aligns the selected Target SDK
- stops packaging if the backport process fails
- integrated
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Reader V2
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reads the outer PKG header first
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attempts internal metadata parsing
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metadata-only fallback using LibProsperoPkg
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can recover:
- Content ID
- Title ID
- game title
- version
- SDK
- minimum system version
- cover/background artwork
-
still displays readable outer metadata even if protected/internal metadata cannot be accessed
-
-
PKG Extractor
- dedicated
PKG Extractorsection - simple workflow:
Import PKG → Select Output Folder → Extract PKG - preserves directory structure
- masked passcode field
- progress bar
- extraction log
- cancel support
- prevents extraction into a non-empty output folder
- dedicated
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PlayGo improvements
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PlayGo language selector
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Select All / Clear All
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default PlayGo scenario handling where supported
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internal filtering of emulator-related files such as:
ampr_emu.indexlibSceAmpr.sprxlibScePlayGo.sprx
-
-
Artwork handling
- restores missing PNG splash images from DDS when possible
- redesigned hero/header preview
- improved cover and background presentation
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GUI improvements
- new PKG BUILDER BY ZERO DAY branding
- fixed sidebar logo area
- dedicated Reader section
- dedicated PKG Extractor section
- Dark / Light themes
- selectable language
- improved Build Settings layout
- cleaner DRM / PlayGo / SDK controls
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General tools and reliability
- GitHub automatic updater
- manual update check
- hidden password/passcode fields
- SHA-256 verification of copied/extracted files
- improved temporary-file handling
- stronger cleanup after operations
The public version remains v1.4.3, while several internal revisions were made to improve stability and add these features without changing the public version number.