T-DEBT-PERF-EVIDENCE-PATH-HEADROOM
T-DEBT-POSIX-LSP-EXEC-MISSING-DETECTION
T-DEBT-PRE-BLOCK-ANONYMOUS-IFC
T-DEBT-PRE-WRAP-JUSTIFY-PRESERVED-SPACES
T-DEBT-RAW-FONT-PATH-FAMILY-TABLE
T-DEBT-REAL-APP-CORPUS-COVERAGE-GAPS
T-DEBT-RELAB-FIRST-PLAY-MAX-FRAME-NOISE
T-DEBT-REPLACED-BLOCK-INTRINSIC-KEYWORD-CONSTRAINT
T-DEBT-REPLACED-INTRINSIC-SIZING-PARITY
T-DEBT-RTL-ELLIPSIS-VISUAL-END
direction:rtl 段落里 LTR 内容溢出时，text-overflow 截掉的是逻辑末尾而不是视觉上溢出行尾边的那一截
验证范围
docs/known_issues.md:190
反馈此接口问题 →T-DEBT-RTL-HANGING-WHITESPACE-AT-VISUAL-END
T-DEBT-RTL-NATIVE-ELLIPSIS-INLINE-DECORATION-EXTENT
T-DEBT-RTL-PLACEHOLDER-REORDER-INDEX-QUERIES
T-DEBT-RTL-STATIC-POSITION-ALIGNMENT
RTL/logical direction 下 absolute static-position、self-alignment 与 Flex/Grid 对齐能力
验证范围
docs/known_issues.md:116
反馈此接口问题 →T-DEBT-SCOPE-FLAGS-ARE-DECLARATIVE-ONLY
KUI_DISABLE_MULTICOL / KUI_DISABLE_SHAPES / KUI_DISABLE_SUBGRID 三个宏没有任何代码读，config.h 却声称「NOT COMPILED IN and its code paths are gated out」
验证范围
docs/known_issues.md:286
反馈此接口问题 →T-DEBT-SCOPE-FRAGMENTATION-FLEX-GRID-TABLE
T-DEBT-SCOPE-REOPEN-MULTICOL-SHAPES-SUBGRID
T-DEBT-SCROLL-ANCHORING-SPEC-GAPS
T-DEBT-SCROLL-CONTAINER-FIRST-BASELINE-GATED
T-DEBT-SCROLL-OFFSET-DEVICE-PIXEL-SNAP
滚动偏移不按设备像素吸附：scrollTop / scrollLeft 可以是任意小数，小数布局里滚到底时 scrollTop + clientHeight 比 scrollHeight 小不到 1px
验证范围
docs/known_issues.md:277
反馈此接口问题 →T-DEBT-SDK-C-PACKAGE-PLATFORM-PARITY
T-DEBT-SDK-EXAMPLES-GATE-USES-INTREE-FLAG
T-DEBT-SDK-EXT-DLL-NO-VERSION-RESOURCE
T-DEBT-SEGMENT-IFC-NO-PER-LINE-FLOAT-EXCLUSION
T-DEBT-SEGMENT-INLINE-ROOT-LINE-RELATIVE-ATOMIC
T-DEBT-SELECT-ENHANCE
T-DEBT-SELECTION-LINE-END-HIGHLIGHT-PARITY
T-DEBT-SELECTIVE-INLINE-TABLE-OOF-ONLY-CHILD-LINE-HEIGHT
display:inline-table 唯一的 display:table-cell 子盒改成 position:absolute 后，增量路径把所在行撑高 8px
验证范围
docs/known_issues.md:347
反馈此接口问题 →T-DEBT-SELF-OVERFLOW-MODIFIER-ITEMS-PARITY
T-DEBT-SKIA-CPU-OPTS-NON-WINDOWS-UNVERIFIED
Linux / macOS 上还没有启用 Skia 的运行时 CPU 分派（SkGraphics::Init()），需在当地验证像素后再开
验证范围
docs/known_issues.md:393
反馈此接口问题 →T-DEBT-SKPARAGRAPH-CROSS-BLOCK-SHAPING-CONTEXT
T-DEBT-SKPARAGRAPH-ELLIPSIS-GHOST-SPACE-OFFSET
T-DEBT-SKPARAGRAPH-LINE-ROUNDING-EATS-ATOMIC-ASCENT
T-DEBT-SOFT-WRAP-LEFT-ALIGN-CEIL-PARITY
T-DEBT-STYLE-MEMCMP-PADDING
T-DEBT-SUPPORTS-NESTED-GENERAL-ENCLOSED
@supports 括号内既不是声明也不是合法条件的嵌套形状按 invalid 处理，规范要求 general-enclosed（求值为假）
验证范围
docs/known_issues.md:281
反馈此接口问题 →T-DEBT-TABLE-CELL-BASELINE-SKIPS-BLOCK-DESCENDANTS
T-DEBT-TABLE-CELL-INTRINSIC-KNOWN-BOX-SNAPSHOTS
T-DEBT-TABLE-CELL-INTRINSIC-LEGACY-FALLBACK
T-DEBT-TABLE-FLOAT-FORCED-BREAKS
T-DEBT-TABLE-NATURAL-MINIMUM-LOST-IN-ROW-FLEX-CONTRIBUTION
T-DEBT-TABLE-WRAPPER-INTRINSIC-WHOLE-PIXEL-CEIL
T-DEBT-TEST-DEVTOOLS-SERVER-PORT-NO-RETRY
T-DEBT-TEST-VSYNC-IMAGE-LOAD-GATE-WARMUP-FLAKY
VsyncFrameGateWindow.ImageLoadStartedWhileGatedShowsPromptly 在并行全量里偶发预热断言失败
验证范围
docs/known_issues.md:399
反馈此接口问题 →T-DEBT-TEST-VSYNC-LOTTIE-OVERSHOOT-P90-FLAKY
VsyncFrameGateWindow.LottieOnlyPostsAroundFrameChanges 在并行全量里偶发 p90 超出容差
验证范围
docs/known_issues.md:398
反馈此接口问题 →T-DEBT-TEST-WALLCLOCK-ANIMATION-SAMPLING-NOT-DETERMINISTIC
T-DEBT-TEST-WINFORMS-ROUNDED-SHADOW-LAYER-REUSE-FLAKY
Win32WindowFeedback.RoundedShadowLayerCompositeUpdatesAllCorners 偶发 layerRootReuses == 0
验证范围
docs/known_issues.md:397
反馈此接口问题 →T-DEBT-TEXT-ALIGN-LAST-LINE
T-DEBT-TEXT-DECORATION-SKIP-SPACES-PROPERTY
T-DEBT-TEXT-INDENT-GLUE-RESIDUAL-SHAPES
T-DEBT-TEXT-MARKER-PARAGRAPH-PHASE
文字列表标记（decimal 等序号、::marker 内容）仍按段落绘制相位定位，首行基线不在 strut 上时偏离 Chrome
验证范围
docs/known_issues.md:216
反馈此接口问题 →T-DEBT-TEXT-UNDERLINE-POSITION-UNDER
text-underline-position 只认 auto / from-font，under、left、right 被忽略
验证范围
docs/known_issues.md:330
反馈此接口问题 →T-DEBT-TRANSFORM-TRANSITION-MIXED-UNIT-TRANSLATE-DISCRETE
T-DEBT-UA-BLOCKIFIED-BUTTON-INTRINSIC
建立 BrowserCompat blockified/semi-replaced button 的 intrinsic sizing 矩阵
验证范围
docs/known_issues.md:137
反馈此接口问题 →T-DEBT-UA-FORM-CONTROL-BASELINE-MATRIX
T-DEBT-UA-NATIVE-MATRIX-LINUX-MACOS
T-DEBT-VERTICAL-ALIGN-WRAPPED-EDGE-TEXT-SPAN
T-DEBT-VISUAL-TEST-OUTPUT-TRACKED
全量普通测试会改写受版本管理的 tests/visual/output/typography_actual.png / typography_diff.png
验证范围
docs/known_issues.md:391
反馈此接口问题 →T-DEBT-WHITESPACE-PRESERVED-TRAILING-GEOMETRY
T-DEBT-WINDOW-GPU-TEARDOWN-LINUX-MACOS
Linux / macOS 的 Window 销毁时同样不交还 GPU 资源（GLX 上下文 / Metal 设备与 GrDirectContext 留到线程退出）
验证范围
docs/known_issues.md:291
反馈此接口问题 →T-DEBT-WINDOWS-LCD-PARAGRAPH-ELIGIBILITY-STABILITY
T-DEBT-WINDOWS-NORMAL-LINE-COMPONENTS-NOT-ROUNDED-LIKE-CHROME
Windows 下 normal 行的 strut 上 / 下伸与原子盒内文字基线保留小数，靠整行补整凑 Chrome 的整数行高
验证范围
docs/known_issues.md:177
反馈此接口问题 →T-DEBT-WORD-GUARD-NON-UAX14-SEGMENTS
T-DEBT-WPT-BLOCK-IN-INLINE-GENERATED-QUOTE-OFFSET
T-DEBT-WPT-LINE-CLAMP-036-CHROME-DISAGREES
text-overflow:ellipsis + 旧语法 line-clamp 的最后一行，第一个词就放不下时：KUI 保留 WPT webkit_line_clamp_036 / F-WPT-FIX-924 的口径（回退到软换行机会、整词被挤出、只剩 …），同机 Chrome 153 按字素截断（supercali…）
验证范围
docs/known_issues.md:205
反馈此接口问题 →T-DEBT-WPT-MIXED-FONT-NORMAL-LINEBOX-UNION
统一 mixed fallback custom font 与拆分 inline 的 line-height:normal union 取整
验证范围
docs/known_issues.md:144
反馈此接口问题 →T-DEBT-WPT-SIZE-ADJUST-FALLBACK-FRACTIONAL-PHASE
治理 font-size-adjust + unicode-range + system fallback 的 fractional phase/baseline
验证范围
docs/known_issues.md:260
反馈此接口问题 →T-DOC-KNOWN-CHROME-DIFFS-REGISTRY
T-PERF-BREAK-SPACES-FORCED-BOUNDARY-RELAYOUT
break-spaces 的宽度相关断行修正每强制一个断点就把整段重排一次，同一路径里还有 U+2028 修正片段的逐码点同行查找
验证范围
docs/known_issues.md:354
反馈此接口问题 →T-PERF-CPU-MIX-BLEND-FALLBACK-SUBTREES
CPU 混合图层的回退集合（DstIn / mask / 滤镜 / 阴影 / 非平移文字 / 波浪线 / 未知操作）与 GPU / PDF 仍是整幅大图层
验证范围
docs/known_issues.md:232
反馈此接口问题 →