diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00167722..4e19cb2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 - Implementation of the `ARRAYTOTEXT()` Excel Function
 - Support for [mitoteam/jpgraph](https://packagist.org/packages/mitoteam/jpgraph) implementation of
   JpGraph library to render charts added.
+- Charts: Add Gradients, Transparency, Hidden Axes, Rounded Corners, Trendlines.
 
 ### Changed
 
@@ -20,7 +21,12 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ### Deprecated
 
-- Nothing
+- Axis getLineProperty deprecated in favor of getLineColorProperty.
+- Moved majorGridlines and minorGridlines from Chart to Axis. Setting either in Chart constructor or through Chart methods, or getting either using Chart methods is deprecated.
+- Chart::EXCEL_COLOR_TYPE_* copied from Properties to ChartColor; use in Properties is deprecated.
+- ChartColor::EXCEL_COLOR_TYPE_ARGB deprecated in favor of EXCEL_COLOR_TYPE_RGB ("A" component was never allowed).
+- Misspelled Properties::LINE_STYLE_DASH_SQUERE_DOT deprecated in favor of LINE_STYLE_DASH_SQUARE_DOT.
+- Clone not permitted for Spreadsheet. Spreadsheet->copy() can be used instead.
 
 ### Removed
 
@@ -30,6 +36,14 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 - Fully flatten an array [Issue #2955](https://github.com/PHPOffice/PhpSpreadsheet/issues/2955) [PR #2956](https://github.com/PHPOffice/PhpSpreadsheet/pull/2956)
 - cellExists() and getCell() methods should support UTF-8 named cells [Issue #2987](https://github.com/PHPOffice/PhpSpreadsheet/issues/2987) [PR #2988](https://github.com/PHPOffice/PhpSpreadsheet/pull/2988)
+- Spreadsheet copy fixed, clone disabled. [PR #2951](https://github.com/PHPOffice/PhpSpreadsheet/pull/2951)
+- Fix PDF problems with text rotation and paper size. [Issue #1747](https://github.com/PHPOffice/PhpSpreadsheet/issues/1747) [Issue #1713](https://github.com/PHPOffice/PhpSpreadsheet/issues/1713) [PR #2960](https://github.com/PHPOffice/PhpSpreadsheet/pull/2960)
+- Limited support for chart titles as formulas [Issue #2965](https://github.com/PHPOffice/PhpSpreadsheet/issues/2965) [Issue #749](https://github.com/PHPOffice/PhpSpreadsheet/issues/749) [PR #2971](https://github.com/PHPOffice/PhpSpreadsheet/pull/2971)
+- Add Gradients, Transparency, and Hidden Axes to Chart [Issue #2257](https://github.com/PHPOffice/PhpSpreadsheet/issues/2257) [Issue #2229](https://github.com/PHPOffice/PhpSpreadsheet/issues/2929) [Issue #2935](https://github.com/PHPOffice/PhpSpreadsheet/issues/2935) [PR #2950](https://github.com/PHPOffice/PhpSpreadsheet/pull/2950)
+- Chart Support for Rounded Corners and Trendlines [Issue #2968](https://github.com/PHPOffice/PhpSpreadsheet/issues/2968) [Issue #2815](https://github.com/PHPOffice/PhpSpreadsheet/issues/2815) [PR #2976](https://github.com/PHPOffice/PhpSpreadsheet/pull/2976)
+- Add setName Method for Chart [Issue #2991](https://github.com/PHPOffice/PhpSpreadsheet/issues/2991) [PR #3001](https://github.com/PHPOffice/PhpSpreadsheet/pull/3001)
+- Eliminate partial dependency on php-intl in StringHelper [Issue #2982](https://github.com/PHPOffice/PhpSpreadsheet/issues/2982) [PR #2994](https://github.com/PHPOffice/PhpSpreadsheet/pull/2994)
+- Minor changes for Pdf [Issue #2999](https://github.com/PHPOffice/PhpSpreadsheet/issues/2999) [PR #3002](https://github.com/PHPOffice/PhpSpreadsheet/pull/3002) [PR #3006](https://github.com/PHPOffice/PhpSpreadsheet/pull/3006)
 
 ## 1.24.1 - 2022-07-18
 
diff --git a/composer.json b/composer.json
index 4ef1c1b4..cda2dc96 100644
--- a/composer.json
+++ b/composer.json
@@ -88,13 +88,13 @@
         "phpstan/phpstan-phpunit": "^1.0",
         "phpunit/phpunit": "^8.5 || ^9.0",
         "squizlabs/php_codesniffer": "^3.7",
-        "tecnickcom/tcpdf": "^6.4"
+        "tecnickcom/tcpdf": "6.5"
     },
     "suggest": {
         "ext-intl": "PHP Internationalization Functions",
         "mpdf/mpdf": "Option for rendering PDF with PDF Writer",
         "dompdf/dompdf": "Option for rendering PDF with PDF Writer",
-        "tecnickcom/tcpdf": "Option for rendering PDF with PDF Writer (doesn't yet fully support PHP8)",
+        "tecnickcom/tcpdf": "Option for rendering PDF with PDF Writer",
         "mitoteam/jpgraph": "Option for rendering charts, or including charts with PDF or HTML Writers"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index bbbd0c75..f54b9c58 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "fc6928651785d4bb82d727d22f50227d",
+    "content-hash": "05bd955232ea7ceab5b849e990f593bd",
     "packages": [
         {
             "name": "ezyang/htmlpurifier",
@@ -5084,16 +5084,16 @@
         },
         {
             "name": "tecnickcom/tcpdf",
-            "version": "6.4.4",
+            "version": "6.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/tecnickcom/TCPDF.git",
-                "reference": "42cd0f9786af7e5db4fcedaa66f717b0d0032320"
+                "reference": "cc54c1503685e618b23922f53635f46e87653662"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/tecnickcom/TCPDF/zipball/42cd0f9786af7e5db4fcedaa66f717b0d0032320",
-                "reference": "42cd0f9786af7e5db4fcedaa66f717b0d0032320",
+                "url": "https://api.github.com/repos/tecnickcom/TCPDF/zipball/cc54c1503685e618b23922f53635f46e87653662",
+                "reference": "cc54c1503685e618b23922f53635f46e87653662",
                 "shasum": ""
             },
             "require": {
@@ -5142,13 +5142,17 @@
                 "pdf417",
                 "qrcode"
             ],
+            "support": {
+                "issues": "https://github.com/tecnickcom/TCPDF/issues",
+                "source": "https://github.com/tecnickcom/TCPDF/tree/6.5.0"
+            },
             "funding": [
                 {
                     "url": "https://www.paypal.com/cgi-bin/webscr?cmd=_donations&currency_code=GBP&business=paypal@tecnick.com&item_name=donation%20for%20tcpdf%20project",
                     "type": "custom"
                 }
             ],
-            "time": "2021-12-31T08:39:24+00:00"
+            "time": "2022-08-12T07:50:54+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/src/PhpSpreadsheet/Writer/Pdf/Tcpdf.php b/src/PhpSpreadsheet/Writer/Pdf/Tcpdf.php
index d29d4764..aefc6b56 100644
--- a/src/PhpSpreadsheet/Writer/Pdf/Tcpdf.php
+++ b/src/PhpSpreadsheet/Writer/Pdf/Tcpdf.php
@@ -77,7 +77,7 @@ class Tcpdf extends Pdf
         $pdf->SetCreator($this->spreadsheet->getProperties()->getCreator());
 
         //  Write to file
-        fwrite($fileHandle, $pdf->output($filename, 'S'));
+        fwrite($fileHandle, $pdf->output('', 'S'));
 
         parent::restoreStateAfterSave();
     }
diff --git a/tests/PhpSpreadsheetTests/Functional/StreamTest.php b/tests/PhpSpreadsheetTests/Functional/StreamTest.php
index a84a2490..05b87ab9 100644
--- a/tests/PhpSpreadsheetTests/Functional/StreamTest.php
+++ b/tests/PhpSpreadsheetTests/Functional/StreamTest.php
@@ -18,15 +18,9 @@ class StreamTest extends TestCase
             ['Html'],
             ['Mpdf'],
             ['Dompdf'],
+            ['Tcpdf'],
         ];
 
-        if (\PHP_VERSION_ID < 80000) {
-            $providerFormats = array_merge(
-                $providerFormats,
-                [['Tcpdf']]
-            );
-        }
-
         return $providerFormats;
     }