diff --git a/lib/jasmine-core/jasmine-html.js b/lib/jasmine-core/jasmine-html.js
index a5c29417..09f09847 100644
--- a/lib/jasmine-core/jasmine-html.js
+++ b/lib/jasmine-core/jasmine-html.js
@@ -287,7 +287,7 @@ jasmineRequire.HtmlReporter = function(j$) {
       var warningBarClassName = 'jasmine-bar jasmine-warning';
       for(i = 0; i < deprecationWarnings.length; i++) {
         var warning = deprecationWarnings[i];
-        alert.appendChild(createDom('span', {className: warningBarClassName}, 'DEPRECATION: ' + warning.message));
+        alert.appendChild(createDom('span', {className: warningBarClassName}, 'DEPRECATION: ' + warning));
       }
 
       var results = find('.jasmine-results');
@@ -365,8 +365,13 @@ jasmineRequire.HtmlReporter = function(j$) {
     return this;
 
     function addDeprecationWarnings(result) {
-      if (result && result.deprecationWarnings && result.deprecationWarnings.length > 0) {
-        deprecationWarnings = deprecationWarnings.concat(result.deprecationWarnings);
+      if (result && result.deprecationWarnings) {
+        for(var i = 0; i < result.deprecationWarnings.length; i++) {
+          var warning = result.deprecationWarnings[i].message;
+          if (deprecationWarnings.indexOf(warning) < 0) {
+            deprecationWarnings.push(warning);
+          }
+        }
       }
     }
 
diff --git a/lib/jasmine-core/jasmine.css b/lib/jasmine-core/jasmine.css
index 3144f266..5207c5b2 100644
--- a/lib/jasmine-core/jasmine.css
+++ b/lib/jasmine-core/jasmine.css
@@ -33,7 +33,7 @@ body { overflow-y: scroll; }
 .jasmine_html-reporter .jasmine-bar.jasmine-passed { background-color: #007069; }
 .jasmine_html-reporter .jasmine-bar.jasmine-skipped { background-color: #bababa; }
 .jasmine_html-reporter .jasmine-bar.jasmine-errored { background-color: #ca3a11; }
-.jasmine_html-reporter .jasmine-bar.jasmine-warning { background-color: #ba9d37; }
+.jasmine_html-reporter .jasmine-bar.jasmine-warning { background-color: #ba9d37; color: #333; }
 .jasmine_html-reporter .jasmine-bar.jasmine-menu { background-color: #fff; color: #aaa; }
 .jasmine_html-reporter .jasmine-bar.jasmine-menu a { color: #333; }
 .jasmine_html-reporter .jasmine-bar a { color: white; }
diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index ea582c8f..80fee4a5 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -716,6 +716,8 @@ getJasmineRequireObj().Env = function(j$) {
     var self = this;
     var global = options.global || j$.getGlobal();
 
+    var hasExecuted = false;
+
     var totalSpecsDefined = 0;
 
     var catchExceptions = true;
@@ -901,6 +903,7 @@ getJasmineRequireObj().Env = function(j$) {
 
     // TODO: fix this naming, and here's where the value comes in
     this.catchExceptions = function(value) {
+      this.deprecated('The catchExceptions option is deprecated and will be replaced with stopOnSpecFailure in Jasmine 3.0');
       catchExceptions = !!value;
       return catchExceptions;
     };
@@ -954,6 +957,7 @@ getJasmineRequireObj().Env = function(j$) {
       options.fail = self.fail;
       options.globalErrors = globalErrors;
       options.completeOnFirstError = throwOnExpectationFailure && options.isLeaf;
+      options.deprecated = self.deprecated;
 
       new j$.QueueRunner(options).execute();
     };
@@ -973,6 +977,12 @@ getJasmineRequireObj().Env = function(j$) {
     };
 
     this.execute = function(runnablesToRun) {
+      if (hasExecuted) {
+        this.deprecated('Executing the same Jasmine multiple times will no longer work in Jasmine 3.0');
+      }
+
+      hasExecuted = true;
+
       if(!runnablesToRun) {
         if (focusedRunnables.length) {
           runnablesToRun = focusedRunnables;
@@ -1146,6 +1156,7 @@ getJasmineRequireObj().Env = function(j$) {
     var focusedRunnables = [];
 
     this.fdescribe = function(description, specDefinitions) {
+      this.deprecated('fit and fdescribe will cause your suite to report an \'incomplete\' status in Jasmine 3.0');
       ensureIsNotNested('fdescribe');
       ensureIsFunction(specDefinitions, 'fdescribe');
       var suite = suiteFactory(description);
@@ -1271,6 +1282,7 @@ getJasmineRequireObj().Env = function(j$) {
     };
 
     this.fit = function(description, fn, timeout){
+      this.deprecated('fit and fdescribe will cause your suite to report an \'incomplete\' status in Jasmine 3.0');
       ensureIsNotNested('fit');
       ensureIsFunctionOrAsync(fn, 'fit');
       var spec = specFactory(description, fn, currentDeclarationSuite, timeout);
@@ -1526,6 +1538,9 @@ getJasmineRequireObj().Any = function(j$) {
     }
 
     if (this.expectedObject == Object) {
+      if (other === null) {
+        j$.getEnv().deprecated('jasmine.Any(Object) will no longer match null in Jasmine 3.0');
+      }
       return typeof other == 'object';
     }
 
@@ -4336,7 +4351,7 @@ getJasmineRequireObj().QueueRunner = function(j$) {
     return function() {
       if (!called) {
         called = true;
-        fn();
+        fn.apply(null, arguments);
       }
       return null;
     };
@@ -4355,6 +4370,7 @@ getJasmineRequireObj().QueueRunner = function(j$) {
     this.fail = attrs.fail || function() {};
     this.globalErrors = attrs.globalErrors || { pushListener: function() {}, popListener: function() {} };
     this.completeOnFirstError = !!attrs.completeOnFirstError;
+    this.deprecated = attrs.deprecated;
   }
 
   QueueRunner.prototype.execute = function() {
@@ -4414,9 +4430,13 @@ getJasmineRequireObj().QueueRunner = function(j$) {
           clearTimeout(timeoutId);
           self.globalErrors.popListener(handleError);
         }),
-        next = once(function () {
+        next = once(function (err) {
           cleanup();
 
+          if (err instanceof Error) {
+            self.deprecated('done callback received an Error object. Jasmine 3.0 will treat this as a failure');
+          }
+
           function runNext() {
             if (self.completeOnFirstError && errored) {
               self.skipToCleanup(iterativeIndex);
diff --git a/src/core/Env.js b/src/core/Env.js
index af1ad374..c62b7843 100644
--- a/src/core/Env.js
+++ b/src/core/Env.js
@@ -11,6 +11,8 @@ getJasmineRequireObj().Env = function(j$) {
     var self = this;
     var global = options.global || j$.getGlobal();
 
+    var hasExecuted = false;
+
     var totalSpecsDefined = 0;
 
     var catchExceptions = true;
@@ -196,6 +198,7 @@ getJasmineRequireObj().Env = function(j$) {
 
     // TODO: fix this naming, and here's where the value comes in
     this.catchExceptions = function(value) {
+      this.deprecated('The catchExceptions option is deprecated and will be replaced with stopOnSpecFailure in Jasmine 3.0');
       catchExceptions = !!value;
       return catchExceptions;
     };
@@ -249,6 +252,7 @@ getJasmineRequireObj().Env = function(j$) {
       options.fail = self.fail;
       options.globalErrors = globalErrors;
       options.completeOnFirstError = throwOnExpectationFailure && options.isLeaf;
+      options.deprecated = self.deprecated;
 
       new j$.QueueRunner(options).execute();
     };
@@ -268,6 +272,12 @@ getJasmineRequireObj().Env = function(j$) {
     };
 
     this.execute = function(runnablesToRun) {
+      if (hasExecuted) {
+        this.deprecated('Executing the same Jasmine multiple times will no longer work in Jasmine 3.0');
+      }
+
+      hasExecuted = true;
+
       if(!runnablesToRun) {
         if (focusedRunnables.length) {
           runnablesToRun = focusedRunnables;
@@ -441,6 +451,7 @@ getJasmineRequireObj().Env = function(j$) {
     var focusedRunnables = [];
 
     this.fdescribe = function(description, specDefinitions) {
+      this.deprecated('fit and fdescribe will cause your suite to report an \'incomplete\' status in Jasmine 3.0');
       ensureIsNotNested('fdescribe');
       ensureIsFunction(specDefinitions, 'fdescribe');
       var suite = suiteFactory(description);
@@ -566,6 +577,7 @@ getJasmineRequireObj().Env = function(j$) {
     };
 
     this.fit = function(description, fn, timeout){
+      this.deprecated('fit and fdescribe will cause your suite to report an \'incomplete\' status in Jasmine 3.0');
       ensureIsNotNested('fit');
       ensureIsFunctionOrAsync(fn, 'fit');
       var spec = specFactory(description, fn, currentDeclarationSuite, timeout);
diff --git a/src/core/QueueRunner.js b/src/core/QueueRunner.js
index f422b49d..086f330d 100644
--- a/src/core/QueueRunner.js
+++ b/src/core/QueueRunner.js
@@ -5,7 +5,7 @@ getJasmineRequireObj().QueueRunner = function(j$) {
     return function() {
       if (!called) {
         called = true;
-        fn();
+        fn.apply(null, arguments);
       }
       return null;
     };
@@ -24,6 +24,7 @@ getJasmineRequireObj().QueueRunner = function(j$) {
     this.fail = attrs.fail || function() {};
     this.globalErrors = attrs.globalErrors || { pushListener: function() {}, popListener: function() {} };
     this.completeOnFirstError = !!attrs.completeOnFirstError;
+    this.deprecated = attrs.deprecated;
   }
 
   QueueRunner.prototype.execute = function() {
@@ -83,9 +84,13 @@ getJasmineRequireObj().QueueRunner = function(j$) {
           clearTimeout(timeoutId);
           self.globalErrors.popListener(handleError);
         }),
-        next = once(function () {
+        next = once(function (err) {
           cleanup();
 
+          if (err instanceof Error) {
+            self.deprecated('done callback received an Error object. Jasmine 3.0 will treat this as a failure');
+          }
+
           function runNext() {
             if (self.completeOnFirstError && errored) {
               self.skipToCleanup(iterativeIndex);
diff --git a/src/core/asymmetric_equality/Any.js b/src/core/asymmetric_equality/Any.js
index 3f447529..960dd478 100644
--- a/src/core/asymmetric_equality/Any.js
+++ b/src/core/asymmetric_equality/Any.js
@@ -24,6 +24,9 @@ getJasmineRequireObj().Any = function(j$) {
     }
 
     if (this.expectedObject == Object) {
+      if (other === null) {
+        j$.getEnv().deprecated('jasmine.Any(Object) will no longer match null in Jasmine 3.0');
+      }
       return typeof other == 'object';
     }
 
diff --git a/src/html/HtmlReporter.js b/src/html/HtmlReporter.js
index 724050e6..85c19b77 100644
--- a/src/html/HtmlReporter.js
+++ b/src/html/HtmlReporter.js
@@ -258,7 +258,7 @@ jasmineRequire.HtmlReporter = function(j$) {
       var warningBarClassName = 'jasmine-bar jasmine-warning';
       for(i = 0; i < deprecationWarnings.length; i++) {
         var warning = deprecationWarnings[i];
-        alert.appendChild(createDom('span', {className: warningBarClassName}, 'DEPRECATION: ' + warning.message));
+        alert.appendChild(createDom('span', {className: warningBarClassName}, 'DEPRECATION: ' + warning));
       }
 
       var results = find('.jasmine-results');
@@ -336,8 +336,13 @@ jasmineRequire.HtmlReporter = function(j$) {
     return this;
 
     function addDeprecationWarnings(result) {
-      if (result && result.deprecationWarnings && result.deprecationWarnings.length > 0) {
-        deprecationWarnings = deprecationWarnings.concat(result.deprecationWarnings);
+      if (result && result.deprecationWarnings) {
+        for(var i = 0; i < result.deprecationWarnings.length; i++) {
+          var warning = result.deprecationWarnings[i].message;
+          if (deprecationWarnings.indexOf(warning) < 0) {
+            deprecationWarnings.push(warning);
+          }
+        }
       }
     }
 
diff --git a/src/html/_HTMLReporter.scss b/src/html/_HTMLReporter.scss
index de8d0145..8e8fa61f 100644
--- a/src/html/_HTMLReporter.scss
+++ b/src/html/_HTMLReporter.scss
@@ -218,6 +218,7 @@ body {
 
     &.jasmine-warning {
       background-color: $pending-color;
+      color: $text-color;
     }
 
     &.jasmine-menu {