## Authority
-FriiDump remains governed by the established Project Frankenstein repository
-and promoted release history. Candidate11 is a development candidate derived
-from candidate10; it is not yet a promoted release.
+FriiDump 0.5.3.16-pf1 is the release line prepared from the accepted
+Candidate21 implementation. The annotated release tag is the immutable
+authority after publication; verify the live tag object, peeled commit, and
+tree rather than inferring authority from a checkout directory or ZIP name.
## Validated paths
-- Windows/MSVC 32-bit candidate10 challenge-drive behavior remains the current
- live-validated Windows authority.
-- Candidate11 compiles cleanly through Linux/CMake as a static binary.
-- Native-report fixtures and schema/semantic validation pass.
-- A portable XDFS/XBE metadata fixture proves title, media ID, Title ID, raw
- GameRegion, formatted region, and UTF-16-to-UTF-8 conversion.
-- Linux ISO/XISO code now returns the same structured Xbox result fields used by
- native reports, summary output, hashes, and Redump verification.
-- Linux GDR-8050L default output names can be derived from XBE/DMI metadata.
+- The maintained Visual Studio 2019 32-bit build and native-report fixtures pass.
+- Linux/CMake builds pass with explicit normal-user `CAP_SYS_RAWIO` handling.
+- A GCC-4244 B101 completed the Sonic Mega Collection (US) GameCube dump with an
+ exact full-image hash match.
+- The exact 0.5.3.16-pf1 Linux executable later completed a controlled
+ GCC-4244 B101 GameCube smoke with all 20 seed blocks, partial output,
+ cancellation, native reporting, profile reporting, and STOP UNIT.
+- The exact 0.5.3.16-pf1 Linux executable completed the modified GDR-8050L
+ `0xE7` GameCube path on physical GDR-8163B hardware cross-flashed with
+ GDR-8050L `0012` firmware. The run completed all 20 seed blocks, partial
+ output, cancellation, native reporting, profile reporting, and internal
+ STOP UNIT.
+- The Linux GDR-8050L path established both Xbox game-view transitions, read
+ XDVDFS metadata, captured DMI media ID `TQ00501A`, produced a controlled
+ partial GAME-XDVDFS output with hashes and native reporting, and completed
+ STOP UNIT.
+- Native `friidump-test-result.v1` reports cover complete, partial, failed,
+ cancelled, no-media, seed-failure, and modified-firmware states.
+
+## Linux exact-release hardware closure
+
+The two required Linux GameCube hardware targets are complete.
+
+The GCC-4244 B101 exact-release evidence archive has SHA-256
+`7c9573d7dddf6381d8847626d0a45e96e57f2b64d79967a041d8acf4affebef5`.
+The cross-flashed GDR-8163B/GDR-8050L `0012` evidence archive has SHA-256
+`872b8144b8cc55601b268867ad8cc74cc7266a514cf015e24cd2fe3a450ee602`.
+
+The validated cross-flashed unit required a readable Video DVD at power-on
+before it identified as GDR-8050L `0012`. The drive remained powered and
+connected while the disc was changed to Sonic Mega Collection (US). A
+temporary host-probe quarantine prevented background Linux media discovery
+from blocking the USB/SCSI path. The host state was restored after the run.
+
+See
+[`reports/FRIIDUMP_LINUX_EXACT_RELEASE_HARDWARE_VALIDATION_0.5.3.16-pf1.md`](reports/FRIIDUMP_LINUX_EXACT_RELEASE_HARDWARE_VALIDATION_0.5.3.16-pf1.md).
## Hardware-validation boundary
-Candidate11 has not yet been run against a physical Xbox-capable optical drive
-on Linux. Real hardware must prove no-media behavior, unlock state transitions,
-metadata, controlled cancellation, exact hashes, STOP UNIT, complete XISO, and
-redump-style ISO behavior before Linux support can be described as validated.
-
-The development-only XGD1 layout and raw-ID probes remain Windows-only in this
-first candidate11 increment. They are tracked as a separate Linux-port substage
-and do not block ordinary user ISO/XISO validation.
+The Linux GDR-8050L evidence validates the command path, game-view state,
+metadata, controlled partial output, cancellation, reporting, and cleanup. It
+does not by itself claim a newly completed full Original Xbox image on Linux.
+Candidate-specific validation scripts remain in `validation/` as historical,
+exact evidence tools; release builds use the maintained build entry points and
+the generic raw-I/O capability helper.
## Known inherited warnings
-`libfriidump/rs.c` retains an inherited right-shift-count warning. Additional
-warnings visible under an explicit `-Wall -Wextra` audit predate candidate11 or
-are non-fatal test-path warnings. No candidate11 portable metadata source error
-or warning blocked the build.
+`libfriidump/rs.c` retains an inherited right-shift-count warning. Other
+explicit `-Wall -Wextra` warnings are pre-existing or non-fatal test-path
+warnings and were not silently normalized during release finalization.
## Campaign
-After Linux user-path validation, work proceeds to exact-tag release automation,
-then the FriiDump homepage/compatibility site v1.3.0, then a separately identified
-MinGW investigation.
+Release publication uses an exact annotated tag, exact-tag Windows and Linux
+builders, immutable artifact manifests, and independent private/public
+read-back. Candidate retirement remains a separate final gate.
## Candidate12 correction status
-
Candidate12 closes the Linux GCC-4244 B101 full-dump gate and corrects runtime
DAT discovery, Linux lock-status reporting, and the Linux `--help` validation
false failure. The accepted live result is Sonic Mega Collection (US), 712880
the Linux optical door remained locked while FriiDump held the device open.
Candidate16 releases the Linux `CDROM_LOCKDOOR` state before each GDR-8050L
software eject/load cycle, restores the lock after a successful load, and leaves
-the door unlocked on failure for manual recovery. A physical Xbox-disc smoke is
-required before the Linux Xbox gate can close.
+the door unlocked on failure for manual recovery. The later Candidate21
+hardware run closed the Linux Xbox command-path gate with both game-view
+transitions, DMI capture, controlled partial output, cancellation, native
+reporting, and STOP UNIT. It did not claim a newly completed full Xbox image.
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