[BLACKFIRE69]

ISApexEx Update

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▌ v0.1 Beta 2 (Build 6A3DC100)

✦ Added

• New engine: HDiffPatch v5.0.0 — applies .hdiff binary patches (old + diff → new), single-file and batch directory modes. Native DLL: hpatchz_wrapper.dll (apply side only). ArchiveType APEX_ARC_HDIFF = 4. Lazy-loaded; not a load-time dependency of ISApexEx.dll.
• New exports — ISApexExAddHDiffPatch, ISApexExAddHDiffPatchDir (default batch pattern '*.hdiff').
• .hdiff extension auto-detected and routed to the HDiffPatch engine; mixes with .7z / .arc / .rar / .xd3 in one session with unified progress (0–1000).
• New example installer — bin\ISApexEx_Example_HDiff.iss.
• ERROR_HDIFF_* language strings in English.ini and Russian.ini.
• Thanks, @Cesar82, for the HDiffPatch suggestion.

✦ Changed — BREAKING
xdelta patch exports renamed (signatures unchanged):

╭──────────────────────────┬──────────────────────────────╮
│ Old name (removed)       │ New name                     │
├──────────────────────────┼──────────────────────────────┤
│ ISApexExAddPatch         │ ISApexExAddDeltaPatch        │
│ ISApexExAddPatchDir      │ ISApexExAddDeltaPatchDir     │
╰──────────────────────────┴──────────────────────────────╯

Update any [Code] script that calls the old names. The generic "Patch" names are removed entirely.

✦ Changed

• Batch (...Dir) patching is now recursive by default for BOTH engines — scans subfolders too (switched to the leaner wfs_FindFilesForHashEx scanner; faster, lower memory, same relative-path results).
• Version v0.1 Beta → v0.1 Beta 2; build 6A20C000 → 6A3DC100 (shown in init log, DLL version info, and dialog titles).
• ISApexEx.iss header, example scripts (.iss), and the forum description updated for the new engine and renamed exports.
• Inno Setup example scripts updated to work with both Inno Setup v6.x and v5.x.

✦ Fixed

• Single-file patching now force-overwrites the output even when it is read-only/locked — the read-only attribute is cleared and the stale file removed before patching, in BOTH the Delta and HDiff engines.

✦ Upgrade Notes

• Rename xdelta calls to the ...Delta... names (see the BREAKING table above).
• To apply .hdiff patches, ship hpatchz_wrapper.dll next to the other engine DLLs and call ISApexExAddHDiffPatch / ...Dir.
• ...Dir patching is now recursive — confirm no stray patches sit in subfolders you did not intend to process.

✦ Download

• - Check the first post.

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