<?php

use Phinx\Migration\AbstractMigration;

class AppearanceLastClearedNull extends AbstractMigration {
	public function up() {
		$this->table('appearances')
			->changeColumn('last_cleared', 'timestamp', [ 'timezone' => true, 'null' => true, 'default' => null ]);
	}
	public function down() {
		$this->table('appearances')
			->changeColumn('last_cleared', 'timestamp', [ 'timezone' => true, 'null' => true, 'default' => 'CURRENT_TIMESTAMP' ]);
	}
}

<?php

use Phinx\Migration\AbstractMigration;

class AppearanceLastClearedNull extends AbstractMigration {
	public function up() {
		$this->table('appearances')
			->changeColumn('last_cleared', 'timestamp', [ 'timezone' => true, 'null' => true, 'default' => null ])
			->update();
	}
	public function down() {
		$this->table('appearances')
			->changeColumn('last_cleared', 'timestamp', [ 'timezone' => true, 'null' => true, 'default' => 'CURRENT_TIMESTAMP' ])
			->update();
	}
}

Add missing update calls to AppearanceLastClearedNull
Add missing update calls to AppearanceLastClearedNull
