diff --git a/.travis.yml b/.travis.yml
index ff61055999..a5d80f3f5f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -198,7 +198,7 @@ before_script:
   # Disable DEPRECATE messages during PHPUnit initialization on PHP 7.2. To fix them, PHPUnit should be updated to 6.*
   # For Yii2 tests, messages will be enabled by tests/bootstrap.php
   - |
-    if [[ $TRAVIS_PHP_VERSION == 7.2 || $TRAVIS_PHP_VERSION == 7.3 || $TRAVIS_PHP_VERSION == 7.4snapshot || $TRAVIS_PHP_VERSION = nightly ]]; then
+    if [[ $TRAVIS_PHP_VERSION == 7.2 || $TRAVIS_PHP_VERSION == 7.3 || $TRAVIS_PHP_VERSION == 7.4 || $TRAVIS_PHP_VERSION = nightly ]]; then
       echo 'Disabled DEPRECATED notifications for PHP >= 7.2';
       echo 'error_reporting = E_ALL & ~E_DEPRECATED' >> /tmp/php-config.ini;
       phpenv config-add /tmp/php-config.ini;
diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index 608014a585..56f267cfc9 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -7,7 +7,9 @@ Yii Framework 2 Change Log
 - Bug #17685: Fix invalid db component in `m180523_151638_rbac_updates_indexes_without_prefix` (rvkulikov)
 - Bug #17694: Fixed Error Handler to clear registered view tags, scripts, and files when rendering error view through action view (bizley)
 - Bug #17701: Throw `BadRequetHttpException` when request params can’t be bound to `int` and `float` controller action arguments (brandonkelly)
-
+- Bug #17723: Fix `Model::activeAttributes()` to access array offset on value of non-string (samdark)
+- Bug #17723: Fix incorrect decoding of default binary value for PostgreSQL (samdark)
+- Bug #17723: Fix incorrect type-casting of reflection type to string (samdark)
 
 2.0.30 November 19, 2019
 ------------------------
diff --git a/framework/base/Model.php b/framework/base/Model.php
index 9dc9417f38..9080625c1b 100644
--- a/framework/base/Model.php
+++ b/framework/base/Model.php
@@ -819,7 +819,7 @@ class Model extends Component implements StaticInstanceInterface, IteratorAggreg
         }
         $attributes = array_keys(array_flip($scenarios[$scenario]));
         foreach ($attributes as $i => $attribute) {
-            if ($attribute[0] === '!') {
+            if (strncmp($attribute, '!', 1) === 0) {
                 $attributes[$i] = substr($attribute, 1);
             }
         }
diff --git a/framework/db/pgsql/Schema.php b/framework/db/pgsql/Schema.php
index 710d89a7d2..938cff6a34 100644
--- a/framework/db/pgsql/Schema.php
+++ b/framework/db/pgsql/Schema.php
@@ -552,6 +552,8 @@ SQL;
                     $column->defaultValue = new Expression($column->defaultValue);
                 } elseif ($column->type === 'boolean') {
                     $column->defaultValue = ($column->defaultValue === 'true');
+                } elseif (preg_match("/^B'(.*?)'::/", $column->defaultValue, $matches)) {
+                    $column->defaultValue = bindec($matches[1]);
                 } elseif (strncasecmp($column->dbType, 'bit', 3) === 0 || strncasecmp($column->dbType, 'varbit', 6) === 0) {
                     $column->defaultValue = bindec(trim($column->defaultValue, 'B\''));
                 } elseif (preg_match("/^'(.*?)'::/", $column->defaultValue, $matches)) {
diff --git a/framework/web/Controller.php b/framework/web/Controller.php
index 9ee3a982bf..b60c3f4e7f 100644
--- a/framework/web/Controller.php
+++ b/framework/web/Controller.php
@@ -139,7 +139,8 @@ class Controller extends \yii\base\Controller
                     $type->isBuiltin() &&
                     ($params[$name] !== null || !$type->allowsNull())
                 ) {
-                    switch ((string)$type) {
+                    $typeName = PHP_VERSION_ID >= 70100 ? $type->getName() : (string)$type;
+                    switch ($typeName) {
                         case 'int':
                             $params[$name] = filter_var($params[$name], FILTER_VALIDATE_INT, FILTER_NULL_ON_FAILURE);
                             break;