diff --git a/tools/warn/cpp_warn_patterns.py b/tools/warn/cpp_warn_patterns.py
index 65ce73a..e8783bc 100644
--- a/tools/warn/cpp_warn_patterns.py
+++ b/tools/warn/cpp_warn_patterns.py
@@ -155,6 +155,7 @@
            [r".*: warning: unknown attribute '.+'"]),
     medium('Attribute ignored',
            [r".*: warning: '_*packed_*' attribute ignored",
+            r".*: warning: .* not supported .*Wignored-attributes",
             r".*: warning: attribute declaration must precede definition .+ignored-attributes"]),
     medium('Visibility problem',
            [r".*: warning: declaration of '.+' will not be visible outside of this function"]),
@@ -251,6 +252,8 @@
            [r".*: warning: taking address of temporary"]),
     medium('Taking address of packed member',
            [r".*: warning: taking address of packed member"]),
+    medium('Pack alignment value is modified',
+           [r".*: warning: .*#pragma pack alignment value is modified.*Wpragma-pack.*"]),
     medium('Possible broken line continuation',
            [r".*: warning: backslash and newline separated by space"]),
     medium('Undefined variable template',
@@ -332,7 +335,7 @@
              [r".*: warning: extra tokens at end of #endif directive"]),
     medium('Comparison between different enums',
            [r".*: warning: comparison between '.+' and '.+'.+Wenum-compare",
-            r".*: warning: comparison of .* enumeration types .*-Wenum-compare-switch"]),
+            r".*: warning: comparison of .* enumeration types .*-Wenum-compare.*"]),
     medium('Conversion may change value',
            [r".*: warning: converting negative value '.+' to '.+'",
             r".*: warning: conversion to '.+' .+ may (alter|change)"]),
@@ -396,6 +399,8 @@
          r".*: warning: absolute value function '.+' given .+ which may cause truncation .+Wabsolute-value"]),
     low('Using C++11 extensions',
         [r".*: warning: 'auto' type specifier is a C\+\+11 extension"]),
+    low('Using C++17 extensions',
+        [r".*: warning: .* a C\+\+17 extension .+Wc\+\+17-extensions"]),
     low('Refers to implicitly defined namespace',
         [r".*: warning: using directive refers to implicitly-defined namespace .+"]),
     low('Invalid pp token',
@@ -437,8 +442,10 @@
            [r".*: warning: unannotated fall-through between switch labels.+Wimplicit-fallthrough"]),
     medium('Invalid partial specialization',
            [r".*: warning: class template partial specialization.+Winvalid-partial-specialization"]),
-    medium('Overlapping compatisons',
+    medium('Overlapping comparisons',
            [r".*: warning: overlapping comparisons.+Wtautological-overlap-compare"]),
+    medium('bitwise comparison',
+           [r".*: warning: bitwise comparison.+Wtautological-bitwise-compare"]),
     medium('int in bool context',
            [r".*: warning: converting.+to a boolean.+Wint-in-bool-context"]),
     medium('bitwise conditional parentheses',
diff --git a/tools/warn/java_warn_patterns.py b/tools/warn/java_warn_patterns.py
index 17e3864..ac1ed5d 100644
--- a/tools/warn/java_warn_patterns.py
+++ b/tools/warn/java_warn_patterns.py
@@ -486,6 +486,7 @@
                 [r'.*\.java:.*: warning: \[static\] static method should be qualified']),
     medium('AbstractInner'),
     medium('BothPackageInfoAndHtml'),
+    medium('BuilderSetStyle'),
     medium('CallbackName'),
     medium('ExecutorRegistration'),
     medium('HiddenTypeParameter'),
@@ -493,9 +494,11 @@
     medium('ListenerLast'),
     medium('MinMaxConstant'),
     medium('MissingBuildMethod'),
+    medium('MissingGetterMatchingBuilder'),
     medium('NoByteOrShort'),
     medium('OverlappingConstants'),
     medium('SetterReturnsThis'),
+    medium('StaticFinalBuilder'),
     medium('StreamFiles'),
     medium('Typo'),
     medium('UseIcu'),
diff --git a/tools/warn/other_warn_patterns.py b/tools/warn/other_warn_patterns.py
index 318c3d4..8df5b87 100644
--- a/tools/warn/other_warn_patterns.py
+++ b/tools/warn/other_warn_patterns.py
@@ -143,6 +143,8 @@
     # Yacc warnings
     yacc('deprecate directive',
          [r".*\.yy?:.*: warning: deprecated directive: "]),
+    yacc('reduce/reduce conflicts',
+         [r".*\.yy?: warning: .+ reduce/reduce conflicts "]),
     yacc('shift/reduce conflicts',
          [r".*\.yy?: warning: .+ shift/reduce conflicts "]),
     {'category': 'yacc', 'severity': Severity.SKIP,