Version 3.0.0-alpha.2

```
* [Changed] Merge all fixes of Pico v2.1.2 to v2.1.4
* [Fixed] #575: Update Symfony YAML v3.4 to support PHP 8.0+
```

.travis.yml

@@ -10,30 +10,22 @@ cache:
 jobs:
   include:
     # Test stage
-    - php: 5.3
-      dist: precise
-    - php: 5.4
-      dist: trusty
-    - php: 5.5
-      dist: trusty
-    - php: 5.6
-      dist: xenial
     - php: 7.0
       dist: xenial
     - php: 7.1
     - php: 7.2
     - php: 7.3
     - php: 7.4
+    - php: 8.0
     - php: nightly
-    - php: hhvm-3.24 # until Dec 2018
     - php: hhvm-3.27 # until Sep 2019
     - php: hhvm-3.30 # until Nov 2019
 
     # Branch deployment stage
     - stage: deploy-branch
       if: type == "push" && tag IS blank
-      php: 5.3
-      dist: precise
+      php: 7.0
+      dist: xenial
       install:
         - '[[ ",$DEPLOY_PHPDOC_BRANCHES," == *,"$TRAVIS_BRANCH",* ]] || travis_terminate 0'
         - install.sh --deploy
@@ -43,8 +35,8 @@ jobs:
     # Release deployment stage
     - stage: deploy-release
       if: tag IS present
-      php: 5.3
-      dist: precise
+      php: 7.0
+      dist: xenial
       install:
         - install.sh --deploy
       script:

CHANGELOG.md

@@ -16,6 +16,14 @@ Pico Changelog
           `PicoDeprecated`'s changelog. Please note that BC-breaking changes
           are only possible with a new major version.
 
+### Version 3.0.0-alpha.2
+Released: 2020-12-24
+
+```
+* [Changed] Merge all fixes of Pico v2.1.2 to v2.1.4
+* [Fixed] #575: Update Symfony YAML v3.4 to support PHP 8.0+
+```
+
 ### Version 2.1.4
 Released: 2020-08-29
 
@@ -40,6 +48,17 @@ Released: 2020-04-10
 * [Fixed] Fix DummyPlugin declaring API version 3
 ```
 
+### Version 3.0.0-alpha.1
+Released: 2020-03-29
+
+```
+* [New] Kick-start development of Pico 3.0
+* [Changed] Require PHP 7.0.8+
+* [Changed] Update dependencies: Twig 2.12, Symfony YAML 3.4, Parsedown 1.7.4
+            and Parsedown Extra 0.8.1; this is just an interim step, we'll
+            update to Twig 3.0+ and Symfony YAML 5.0+ later
+```
+
 ### Version 2.1.1
 Released: 2019-12-31
 

composer.json

@@ -31,12 +31,12 @@
         "source": "https://github.com/picocms/Pico"
     },
     "require": {
-        "php": ">=5.3.6",
+        "php": ">=7.0.8",
         "ext-mbstring": "*",
-        "twig/twig": "^1.36",
-        "symfony/yaml" : "^2.8",
-        "erusev/parsedown": "1.8.0-beta-7",
-        "erusev/parsedown-extra": "0.8.0-beta-1"
+        "twig/twig": "^2.12",
+        "symfony/yaml" : "^3.4",
+        "erusev/parsedown": "1.7.4",
+        "erusev/parsedown-extra": "0.8.1"
     },
     "suggest": {
         "picocms/pico-theme": "Pico requires a theme to actually display the contents of your website. This is Pico's official default theme.",

index.php.dist

@@ -11,8 +11,8 @@
  */
 
 // check PHP platform requirements
-if (PHP_VERSION_ID < 50306) {
-    die('Pico requires PHP 5.3.6 or above to run');
+if (PHP_VERSION_ID < 70008) {
+    die('Pico requires PHP 7.0.8 or above to run');
 }
 if (!extension_loaded('dom')) {
     die("Pico requires the PHP extension 'dom' to run");

lib/AbstractPicoPlugin.php

@@ -21,7 +21,7 @@
  * @author  Daniel Rudolf
  * @link    http://picocms.org
  * @license http://opensource.org/licenses/MIT The MIT License
- * @version 2.1
+ * @version 3.0
  */
 abstract class AbstractPicoPlugin implements PicoPluginInterface
 {

lib/Pico.php

@@ -40,7 +40,7 @@
  * @author  Daniel Rudolf
  * @link    http://picocms.org
  * @license http://opensource.org/licenses/MIT The MIT License
- * @version 2.1
+ * @version 3.0
  */
 class Pico
 {
@@ -49,14 +49,14 @@ class Pico
      *
      * @var string
      */
-    const VERSION = '2.1.4';
+    const VERSION = '3.0.0-alpha.2';
 
     /**
      * Pico version ID
      *
      * @var int
      */
-    const VERSION_ID = 20104;
+    const VERSION_ID = 30000;
 
     /**
      * Pico API version

lib/PicoPluginInterface.php

@@ -26,7 +26,7 @@
  * @author  Daniel Rudolf
  * @link    http://picocms.org
  * @license http://opensource.org/licenses/MIT The MIT License
- * @version 2.1
+ * @version 3.0
  */
 interface PicoPluginInterface
 {

lib/PicoTwigExtension.php

@@ -16,7 +16,7 @@
  * @author  Daniel Rudolf
  * @link    http://picocms.org
  * @license http://opensource.org/licenses/MIT The MIT License
- * @version 2.1
+ * @version 3.0
  */
 class PicoTwigExtension extends Twig_Extension
 {

plugins/DummyPlugin.php

@@ -19,7 +19,7 @@
  * @author  Daniel Rudolf
  * @link    http://picocms.org
  * @license http://opensource.org/licenses/MIT The MIT License
- * @version 2.1
+ * @version 3.0
  */
 class DummyPlugin extends AbstractPicoPlugin
 {