diff --git a/.travis.yml b/.travis.yml
index e3ec86b86..e25381f95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,6 +70,7 @@ jobs:
     allow_failures:
         -   stage: Static Analysis (informative)
         -   stage: Code Coverage
+        -   php: 7.4snapshot
 
 
 sudo: false
diff --git a/readme.md b/readme.md
index aad616e70..d16a668fc 100644
--- a/readme.md
+++ b/readme.md
@@ -384,6 +384,22 @@ services:
 ```
 
 
+nginx
+-----
+
+If Tracy does not work on nginx, it is probably misconfigured. If there is something like
+
+```nginx
+try_files $uri $uri/ /index.php;
+```
+
+change it to
+
+```nginx
+try_files $uri $uri/ /index.php$is_args$args;
+```
+
+
 Ports
 -----
 
diff --git a/src/Bridges/Nette/Bridge.php b/src/Bridges/Nette/Bridge.php
index da9c04f27..423b04f76 100644
--- a/src/Bridges/Nette/Bridge.php
+++ b/src/Bridges/Nette/Bridge.php
@@ -47,7 +47,6 @@ public static function renderLatteError(?\Throwable $e): ?array
 					. BlueScreen::highlightLine(htmlspecialchars($e->sourceCode, ENT_IGNORE, 'UTF-8'), $e->sourceLine)
 					. '</div></pre>',
 			];
-
 		} elseif ($e && strpos($file = $e->getFile(), '.latte--')) {
 			$lines = file($file);
 			if (preg_match('#// source: (\S+\.latte)#', $lines[1], $m) && @is_file($m[1])) { // @ - may trigger error
@@ -94,7 +93,8 @@ public static function renderMemberAccessException(?\Throwable $e): ?array
 				'link' => Helpers::editorUri($loc['file'], $loc['line'], 'fix', '->' . $m[1], '->' . $m[2]),
 				'label' => 'fix it',
 			];
-		} elseif (preg_match('#Call to undefined (static )?method .+::(\w+)\(\), did you mean (\w+)\(\)?#A', $e->getMessage(), $m)) {
+		}
+		if (preg_match('#Call to undefined (static )?method .+::(\w+)\(\), did you mean (\w+)\(\)?#A', $e->getMessage(), $m)) {
 			$operator = $m[1] ? '::' : '->';
 			return [
 				'link' => Helpers::editorUri($loc['file'], $loc['line'], 'fix', $operator . $m[2] . '(', $operator . $m[3] . '('),
diff --git a/src/Tracy/Bar/assets/bar.css b/src/Tracy/Bar/assets/bar.css
index 990bff727..7ef98db5d 100644
--- a/src/Tracy/Bar/assets/bar.css
+++ b/src/Tracy/Bar/assets/bar.css
@@ -95,7 +95,7 @@ body#tracy-debug { /* in popup window */
 }
 
 #tracy-debug tr:nth-child(2n) td {
-	background: #F7F0CB;
+	background: #00000005;
 }
 
 #tracy-debug td,
diff --git a/src/Tracy/BlueScreen/BlueScreen.php b/src/Tracy/BlueScreen/BlueScreen.php
index abcf63812..1bc09d551 100644
--- a/src/Tracy/BlueScreen/BlueScreen.php
+++ b/src/Tracy/BlueScreen/BlueScreen.php
@@ -113,23 +113,8 @@ public function renderToFile(\Throwable $exception, string $file): bool
 
 	private function renderTemplate(\Throwable $exception, string $template, $toScreen = true): void
 	{
-		$messageHtml = Dumper::encodeString((string) $exception->getMessage(), self::MAX_MESSAGE_LENGTH);
-		$messageHtml = htmlspecialchars($messageHtml, ENT_SUBSTITUTE, 'UTF-8');
-		$messageHtml = preg_replace(
-			'#\'\S(?:[^\']|\\\\\')*\S\'|"\S(?:[^"]|\\\\")*\S"#',
-			'<i>$0</i>',
-			$messageHtml
-		);
-		$messageHtml = preg_replace_callback(
-			'#\w+\\\\[\w\\\\]+\w#',
-			function ($m) {
-				return class_exists($m[0], false) || interface_exists($m[0], false)
-				? '<a href="' . Helpers::escapeHtml(Helpers::editorUri((new \ReflectionClass($m[0]))->getFileName())) . '">' . $m[0] . '</a>'
-				: $m[0];
-			},
-			$messageHtml
-		);
-
+		$showEnvironment = strpos($exception->getMessage(), 'Allowed memory size') === false;
+		$messageHtml = $this->formatMessage($exception);
 		$info = array_filter($this->info);
 		$source = Helpers::getSource();
 		$title = $exception instanceof \ErrorException
@@ -384,4 +369,47 @@ public function getDumper(): \Closure
 			]);
 		};
 	}
+
+
+	private function formatMessage(\Throwable $exception): string
+	{
+		$msg = Dumper::encodeString((string) $exception->getMessage(), self::MAX_MESSAGE_LENGTH);
+		$msg = htmlspecialchars($msg, ENT_SUBSTITUTE, 'UTF-8');
+
+		// highlight 'string'
+		$msg = preg_replace(
+			'#\'\S(?:[^\']|\\\\\')*\S\'|"\S(?:[^"]|\\\\")*\S"#',
+			'<i>$0</i>',
+			$msg
+		);
+
+		// clickable class & methods
+		$msg = preg_replace_callback(
+			'#(\w+\\\\[\w\\\\]+\w)(?:::(\w+))?#',
+			function ($m) {
+				if (isset($m[2]) && method_exists($m[1], $m[2])) {
+					$r = new \ReflectionMethod($m[1], $m[2]);
+				} elseif (class_exists($m[1], false) || interface_exists($m[1], false)) {
+					$r = new \ReflectionClass($m[1]);
+				} else {
+					return $m[0];
+				}
+				return '<a href="' . Helpers::escapeHtml(Helpers::editorUri($r->getFileName(), $r->getStartLine())) . '">' . $m[0] . '</a>';
+			},
+			$msg
+		);
+
+		// clickable file name
+		$msg = preg_replace_callback(
+			'#([\w\\\\/.:-]+\.(?:php|phpt|phtml|latte|neon))(?|:(\d+)| on line (\d+))?#',
+			function ($m) {
+				return @is_file($m[1])
+				? '<a href="' . Helpers::escapeHtml(Helpers::editorUri($m[1], isset($m[2]) ? (int) $m[2] : null)) . '">' . $m[0] . '</a>'
+				: $m[0];
+			},
+			$msg
+		);
+
+		return $msg;
+	}
 }
diff --git a/src/Tracy/BlueScreen/assets/content.phtml b/src/Tracy/BlueScreen/assets/content.phtml
index d039539ba..5b2c78ed0 100644
--- a/src/Tracy/BlueScreen/assets/content.phtml
+++ b/src/Tracy/BlueScreen/assets/content.phtml
@@ -207,6 +207,7 @@ $code = $exception->getCode() ? ' #' . $exception->getCode() : '';
 		<?php endforeach ?>
 
 
+		<?php if ($showEnvironment):?>
 		<div class="panel">
 		<h2><a data-tracy-ref="^+" class="tracy-toggle tracy-collapsed">Environment</a></h2>
 
@@ -271,6 +272,7 @@ $code = $exception->getCode() ? ' #' . $exception->getCode() : '';
 			echo preg_replace('#^.+<body>|</body>.+\z#s', '', $phpinfo)  ?>
 			</div>
 		</div></div>
+		<?php endif ?>
 
 
 		<?php if (PHP_SAPI === 'cli'): ?>
diff --git a/src/Tracy/Debugger/Debugger.php b/src/Tracy/Debugger/Debugger.php
index 09150eec7..2016081b2 100644
--- a/src/Tracy/Debugger/Debugger.php
+++ b/src/Tracy/Debugger/Debugger.php
@@ -27,7 +27,7 @@ class Debugger
 
 	public const COOKIE_SECRET = 'tracy-debug';
 
-	/** @var bool in production mode is suppressed any debugging output */
+	/** @var bool|null in production mode is suppressed any debugging output */
 	public static $productionMode = self::DETECT;
 
 	/** @var bool whether to display debug bar in development mode */
diff --git a/src/Tracy/Dumper/Dumper.php b/src/Tracy/Dumper/Dumper.php
index fc2ea1b0d..0d574cfed 100644
--- a/src/Tracy/Dumper/Dumper.php
+++ b/src/Tracy/Dumper/Dumper.php
@@ -179,6 +179,7 @@ private function asHtml($var): string
 			' title="%in file % on line %" data-tracy-href="%"', "$code\n", $file, $line, Helpers::editorUri($file, $line)
 		) : null;
 
+		$options = [];
 		if (is_array($this->snapshot)) {
 			$options[self::SNAPSHOT] = &$this->snapshot;
 		}
diff --git a/src/Tracy/Helpers.php b/src/Tracy/Helpers.php
index a61752751..a43c3d441 100644
--- a/src/Tracy/Helpers.php
+++ b/src/Tracy/Helpers.php
@@ -212,7 +212,7 @@ public static function improveException(\Throwable $e): void
 			$ref->setAccessible(true);
 			$ref->setValue($e, $message);
 			$e->tracyAction = [
-				'link' => self::editorUri($e->getFile(), $e->getLine(), 'fix', $replace[0], $replace[1]),
+				'link' => self::editorUri($e->getFile(), $e->getLine(), 'fix', $replace[0] ?? '', $replace[1] ?? ''),
 				'label' => 'fix it',
 			];
 		}
@@ -242,14 +242,14 @@ public static function guessClassFile(string $class): ?string
 		$segments = explode(DIRECTORY_SEPARATOR, $class);
 		$res = null;
 		$max = 0;
-		foreach (get_declared_classes() as $class) {
-			$parts = explode(DIRECTORY_SEPARATOR, $class);
+		foreach (get_declared_classes() as $declaredClass) {
+			$parts = explode(DIRECTORY_SEPARATOR, $declaredClass);
 			foreach ($parts as $i => $part) {
 				if ($part !== $segments[$i] ?? null) {
 					break;
 				}
 			}
-			if ($i > $max && ($file = (new \ReflectionClass($class))->getFileName())) {
+			if (isset($i) && $i > $max && ($file = (new \ReflectionClass($declaredClass))->getFileName())) {
 				$max = $i;
 				$res = array_merge(array_slice(explode(DIRECTORY_SEPARATOR, $file), 0, $i - count($parts)), array_slice($segments, $i));
 				$res = implode(DIRECTORY_SEPARATOR, $res) . '.php';
diff --git a/src/Tracy/Logger/Logger.php b/src/Tracy/Logger/Logger.php
index 6f926ce66..d6aec5429 100644
--- a/src/Tracy/Logger/Logger.php
+++ b/src/Tracy/Logger/Logger.php
@@ -27,7 +27,7 @@ class Logger implements ILogger
 	/** @var mixed interval for sending email is 2 days */
 	public $emailSnooze = '2 days';
 
-	/** @var callable handler for sending emails */
+	/** @var callable|null handler for sending emails */
 	public $mailer;
 
 	/** @var BlueScreen|null */
diff --git a/tests/Tracy/expected/Debugger.E_ERROR.html.expect b/tests/Tracy/expected/Debugger.E_ERROR.html.expect
index 987e85150..4ba155742 100644
--- a/tests/Tracy/expected/Debugger.E_ERROR.html.expect
+++ b/tests/Tracy/expected/Debugger.E_ERROR.html.expect
@@ -159,7 +159,7 @@
 
 
 
-		<div class="panel">
+				<div class="panel">
 		<h2><a data-tracy-ref="^+" class="tracy-toggle tracy-collapsed">Environment</a></h2>
 
 		<div class="tracy-collapsed inner">
diff --git a/tests/Tracy/expected/Debugger.error-in-eval.expect b/tests/Tracy/expected/Debugger.error-in-eval.expect
index ef8e08371..6c92411f4 100644
--- a/tests/Tracy/expected/Debugger.error-in-eval.expect
+++ b/tests/Tracy/expected/Debugger.error-in-eval.expect
@@ -130,7 +130,7 @@
 
 
 
-		<div class="panel">
+				<div class="panel">
 		<h2><a data-tracy-ref="^+" class="tracy-toggle tracy-collapsed">Environment</a></h2>
 
 		<div class="tracy-collapsed inner">
diff --git a/tests/Tracy/expected/Debugger.exception.html.expect b/tests/Tracy/expected/Debugger.exception.html.expect
index 36283fdd4..0bea04602 100644
--- a/tests/Tracy/expected/Debugger.exception.html.expect
+++ b/tests/Tracy/expected/Debugger.exception.html.expect
@@ -126,7 +126,7 @@
 
 
 
-		<div class="panel">
+				<div class="panel">
 		<h2><a data-tracy-ref="^+" class="tracy-toggle tracy-collapsed">Environment</a></h2>
 
 		<div class="tracy-collapsed inner">
diff --git a/tests/Tracy/expected/Debugger.strict.html.expect b/tests/Tracy/expected/Debugger.strict.html.expect
index 5314b7337..528aeefa6 100644
--- a/tests/Tracy/expected/Debugger.strict.html.expect
+++ b/tests/Tracy/expected/Debugger.strict.html.expect
@@ -133,7 +133,7 @@
 
 
 
-		<div class="panel">
+				<div class="panel">
 		<h2><a data-tracy-ref="^+" class="tracy-toggle tracy-collapsed">Environment</a></h2>
 
 		<div class="tracy-collapsed inner">