diff --git a/.clang-format b/.clang-format
index 95ae8248c..0676d88c9 100644
--- a/.clang-format
+++ b/.clang-format
@@ -1,105 +1,216 @@
-BasedOnStyle: Chromium
-Language: Cpp
-Standard: Cpp11
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
 AccessModifierOffset: -1
-AlignAfterOpenBracket: false
-AlignConsecutiveAssignments: false
-AlignConsecutiveDeclarations: false
-AlignConsecutiveMacros: true
-AlignEscapedNewlines: true
-AlignOperands: false
+AlignAfterOpenBracket: Align
+AlignArrayOfStructures: None
+AlignConsecutiveAssignments:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    true
+AlignConsecutiveBitFields:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    false
+AlignConsecutiveDeclarations:
+  Enabled:         false
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    false
+AlignConsecutiveMacros:
+  Enabled:         true
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  PadOperators:    false
+AlignEscapedNewlines: Left
+AlignOperands:   DontAlign
 AlignTrailingComments: true
 AllowAllArgumentsOnNextLine: false
-AllowAllConstructorInitializersOnNextLine: true
 AllowAllParametersOfDeclarationOnNextLine: false
-AllowShortBlocksOnASingleLine: false
+AllowShortEnumsOnASingleLine: true
+AllowShortBlocksOnASingleLine: Never
 AllowShortCaseLabelsOnASingleLine: true
-AllowShortFunctionsOnASingleLine: true
-AllowShortIfStatementsOnASingleLine: true
-AllowShortLambdasOnASingleLine: true
+AllowShortFunctionsOnASingleLine: All
+AllowShortLambdasOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: AllIfsAndElse
 AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterDefinitionReturnType: None
 AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false
 AlwaysBreakTemplateDeclarations: No
+AttributeMacros:
+  - __capability
 BinPackArguments: true
 BinPackParameters: true
-BreakBeforeBraces: false
-BreakBeforeBinaryOperators: false
-BreakBeforeBraces: Stroustrup
-BreakBeforeTernaryOperators: false
-BreakConstructorInitializers: BeforeColon
+BraceWrapping:
+  AfterCaseLabel:  false
+  AfterClass:      false
+  AfterControlStatement: Never
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  AfterExternBlock: false
+  BeforeCatch:     false
+  BeforeElse:      true
+  BeforeLambdaBody: false
+  BeforeWhile:     false
+  IndentBraces:    false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+BreakBeforeBinaryOperators: None
+BreakBeforeConceptDeclarations: Always
+BreakBeforeBraces: Custom
+BreakBeforeInheritanceComma: false
 BreakInheritanceList: BeforeColon
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeColon
+BreakAfterJavaFieldAnnotations: false
 BreakStringLiterals: false
-ColumnLimit: 0
+ColumnLimit:     0
+CommentPragmas:  '^ IWYU pragma:'
+QualifierAlignment: Leave
 CompactNamespaces: false
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
 ConstructorInitializerIndentWidth: 4
 ContinuationIndentWidth: 2
 Cpp11BracedListStyle: false
 DeriveLineEnding: true
-DerivePointerAlignment: true
-DisableFormat: false
-ExperimentalAutoDetectBinPacking: true
+DerivePointerAlignment: false
+DisableFormat:   false
+EmptyLineAfterAccessModifier: Never
+EmptyLineBeforeAccessModifier: LogicalBlock
+ExperimentalAutoDetectBinPacking: false
+PackConstructorInitializers: BinPack
+BasedOnStyle:    ''
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+AllowAllConstructorInitializersOnNextLine: true
 FixNamespaceComments: true
-IncludeBlocks: Preserve
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IfMacros:
+  - KJ_IF_MAYBE
+IncludeBlocks:   Preserve
+IncludeCategories:
+  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+    Priority:        2
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '^(<|"(gtest|gmock|isl|json)/)'
+    Priority:        3
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '.*'
+    Priority:        1
+    SortPriority:    0
+    CaseSensitive:   false
+IncludeIsMainRegex: '(Test)?$'
+IncludeIsMainSourceRegex: ''
+IndentAccessModifiers: false
 IndentCaseLabels: true
+IndentCaseBlocks: false
 IndentGotoLabels: true
 IndentPPDirectives: AfterHash
-IndentWidth: 2
+IndentExternBlock: AfterExternBlock
+IndentRequiresClause: true
+IndentWidth:     2
 IndentWrappedFunctionNames: false
+InsertBraces:    false
+InsertTrailingCommas: None
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
 KeepEmptyLinesAtTheStartOfBlocks: true
+LambdaBodyIndentation: Signature
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
 MaxEmptyLinesToKeep: 100
 NamespaceIndentation: None
+ObjCBinPackProtocolList: Auto
 ObjCBlockIndentWidth: 2
+ObjCBreakBeforeNestedBlockParam: true
 ObjCSpaceAfterProperty: false
-ObjCSpaceBeforeProtocolList: false
+ObjCSpaceBeforeProtocolList: true
 PenaltyBreakAssignment: 0
 PenaltyBreakBeforeFirstCallParameter: 0
 PenaltyBreakComment: 0
 PenaltyBreakFirstLessLess: 0
+PenaltyBreakOpenParenthesis: 0
 PenaltyBreakString: 0
 PenaltyBreakTemplateDeclaration: 0
 PenaltyExcessCharacter: 0
 PenaltyReturnTypeOnItsOwnLine: 0
+PenaltyIndentedWhitespace: 0
 PointerAlignment: Right
-ReflowComments: false
-SortIncludes: false
+PPIndentWidth:   -1
+ReferenceAlignment: Pointer
+ReflowComments:  false
+RemoveBracesLLVM: false
+RequiresClausePosition: OwnLine
+SeparateDefinitionBlocks: Leave
+ShortNamespaceLines: 1
+SortIncludes:    false
+SortJavaStaticImport: Before
 SortUsingDeclarations: false
 SpaceAfterCStyleCast: false
 SpaceAfterLogicalNot: false
 SpaceAfterTemplateKeyword: false
 SpaceBeforeAssignmentOperators: true
+SpaceBeforeCaseColon: false
 SpaceBeforeCpp11BracedList: true
 SpaceBeforeCtorInitializerColon: true
 SpaceBeforeInheritanceColon: true
 SpaceBeforeParens: ControlStatements
+SpaceBeforeParensOptions:
+  AfterControlStatements: true
+  AfterForeachMacros: true
+  AfterFunctionDefinitionName: false
+  AfterFunctionDeclarationName: false
+  AfterIfMacros:   true
+  AfterOverloadedOperator: false
+  AfterRequiresInClause: false
+  AfterRequiresInExpression: false
+  BeforeNonEmptyParentheses: false
+SpaceAroundPointerQualifiers: Default
 SpaceBeforeRangeBasedForLoopColon: true
-SpaceBeforeSquareBrackets: false
 SpaceInEmptyBlock: false
 SpaceInEmptyParentheses: false
 SpacesBeforeTrailingComments: 2
-SpacesInAngles: false
-SpacesInCStyleCastParentheses: false
+SpacesInAngles:  Never
 SpacesInConditionalStatement: false
 SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInLineCommentPrefix:
+  Minimum:         1
+  Maximum:         -1
 SpacesInParentheses: false
 SpacesInSquareBrackets: false
-UseCRLF: false
-UseTab: Never
-BreakBeforeBraces: Custom
-BraceWrapping:
-  AfterFunction: false
-  AfterCaseLabel: false
-  AfterStruct: false
-  AfterClass: false
-  AfterEnum: false
-  AfterUnion: false
-  AfterControlStatement: Never
-  AfterNamespace: false
-  AfterObjCDeclaration: false
-  AfterExternBlock: false
-  BeforeCatch: false
-  BeforeElse: true
-  SplitEmptyFunction: false
-  SplitEmptyRecord: false
-  SplitEmptyNamespace: false
+SpaceBeforeSquareBrackets: false
+BitFieldColonSpacing: Both
+Standard:        Latest
+StatementAttributeLikeMacros:
+  - Q_EMIT
+StatementMacros:
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
+TabWidth:        8
+UseCRLF:         false
+UseTab:          Never
+WhitespaceSensitiveMacros:
+  - STRINGIZE
+  - PP_STRINGIZE
+  - BOOST_PP_STRINGIZE
+  - NS_SWIFT_NAME
+  - CF_SWIFT_NAME
+...
+