Deep dive: State of Drupal 9

@gaborhojtsy @amberhimesmatz

Slides are open source

(CC BY-NC-SA 2.5)

Created by @gaborhojtsy at @acquia

Thanks to @amberhimesmatz, @svettes,
@kristen_pol, @dan2k3k4 for improvements

Review links, check out speaker notes and present your own from slides.com/gaborhojtsy/state-of-drupal9

Amber Matz

Osio Labs / Drupalize.me

Co-maintainer of experimental core module Help Topics.

Contact me at @amberhimesmatz

Gábor Hojtsy

Acquia

Initiative coordinator for Drupal 9.
Drupal contributor since 2003, committer since 2007.

Contact me at @gaborhojtsy

Who is using Drupal 7?

Drupal 7 to 8

Rebuild from Drupal 7 to 8/9

Upgrade Status

Drupal Module Upgrader

Migrate Suite

Improvements with Drupal 9

Drupal Module Upgrader rules are now Drupal 8 and 9 compatible
Migrate Multilingual core module became stable in Drupal 8.9.0 and
Drupal 9.0.0

2020	2021	2022	2023	2024

Drupal 7 security and
bug fix support

Vendor extended commercial
support for Drupal 7

Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4

Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4

Q1	Q2	Q3	Q4

	7.71		7.x		7.x		7.x		7.x

Innovation is different from Drupal 8 onwards

Drupal 7 to 8

Drupal 8 to 9 to 10

Semantic versioning

Scheduled releases

Experimental projects

Why Drupal 9 then?

2020	2021	2022	2023	2024

Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4

Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4

Q1	Q2	Q3	Q4

Symfony 3 End of Life

	8.9
	9.0		9.1		9.2		9.3


	9.4

Symfony 4 End of Life

Drupal 9 security and
bug fix support

Drupal 8 security and
bug fix support

Drupal 10 security and
bug fix support

	10.0		10.1		10.2		10.3

Deprecation processes

Drupal 8 to 9 to 10

...

New solution
Deprecated



Symfony 3.4

Deprecated

8.9 API

Deprecated

New solution

New solution


Symfony 4.4

9.0 API

New solution

Symfony 4.4

New solution
Deprecated



Symfony 3.4

Deprecated

8.7 API

8.9 API

New solution

New solution
Deprecated



Symfony 3.4

Deprecated

Drupal 9.0 API =
Drupal 8.9 API minus
deprecated parts
plus third party dependencies updated

New solution


Symfony 4.4

9.0 API

New solution

Symfony 4.4

New solution
Deprecated



Symfony 3.4

Deprecated

8.9 API

Deprecated

New solution

Drupal 8 code not using deprecated APIs will continue to work on Drupal 9.

New solution


Symfony 4.4

9.0 API

New solution

Symfony 4.4

$ composer create-project drupal/recommended-project:9.0.0 try9

$ php try9/web/core/scripts/drupal quick-start demo_umami

Try Drupal 9 with composer + PHP

5 steps to upgrade from Drupal 8 to 9

Ensure your environment is compatible with Drupal 9

PHP
7.3

Drush 10

MySQL 5.7.8

...

#1

Keep Drupal 8 core
up-to-date

#2

Only upgrades from Drupal 8.8 and 8.9 are supported

Update contributed projects to their latest versions

#3

Token module

Webform

type: module
name: Token
description: Provides a user interface for the Token API...
core_version_requirement: ^8.8 || ^9

8.x-1.7

Token module

Key introduced in Drupal 8.7.7
and Drupal 8.8.0

6.0.0-alpha2

Semantic versioning now available for all projects

Webform module

Top 200 projects

Remove deprecated API use in your custom projects

#4

Update core itself
to Drupal 9

#5

Recap

Ensure your environment is compatible with Drupal 9
Keep Drupal 8 core up-to-date
Update contributed projects to their latest versions
Remove deprecated API use in your custom projects
Update core itself to Drupal 9

8

9

Upgrade Tools

/**
 * Sets a message to display to the user.
 *
 * [...]
 *
 * @deprecated in drupal:8.5.0 and is removed from drupal:9.0.0.
 *   Use \Drupal\Core\Messenger\MessengerInterface::addMessage() instead.
 */
function drupal_set_message($message = NULL, $type = 'status', $repeat = FALSE) {
  @trigger_error('drupal_set_message() is deprecated in Drupal 8.5.0 and will be removed before Drupal 9.0.0. Use \\Drupal\\Core\\Messenger\\MessengerInterface::addMessage() instead. See https://www.drupal.org/node/2774931', E_USER_DEPRECATED);  $messenger = \Drupal::messenger();
  if (isset($message)) {
    $messenger
      ->addMessage($message, $type, $repeat);
  }
  return $messenger
    ->all();
}

Upgrade Status

Upgrade Rector

(drupal-rector)

Covers 42% of
all issues found
in all drupal.org projects

!

Run your automated tests against Drupal 9.0.0

# drupalci.yml to add and run with Drupal 8.
build:
  assessment:
    validate_codebase:
      # Static analysis of code for @deprecated uses.
      phpstan:
        halt-on-fail: false

No tests, or not enough coverage?

dev.acquia.com/drupal9

What are the new

features of Drupal 9?

"The big deal about Drupal 9 is ... that it should not be a big deal"

Dries Buytaert

First release with new features is 9.1.0 on

December 2, 2020

Summary

Drupal 7 to 8/9 is the last big step
- Vendor Extended Support is provided until end of 2025
Drupal 8 to 9 is the easiest upgrade in a decade
- Keep up with Drupal 8 core and contributed projects
- Remove your own deprecated API use with tools
- When all components are ready, upgrade to 9
- You are getting ready in your Drupal 8 site
Drupal 9 will continue to get exciting new features

Thanks!

@gaborhojtsy @amberhimesmatz

Review links, check out speaker notes and present your own from slides.com/gaborhojtsy/state-of-drupal9

Evaluate this session at www.surveymonkey.com/r/
DCGlobal20SessionEval?title=DeepDiveD9&id=30513

Contribute with us all week at
contrib2020.getopensocial.net

2020	2021	2022	2023	2024

Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4

Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4

Q1	Q2	Q3	Q4

	8.9
	9.0		9.1		9.2		9.3


	9.4

Drupal 9 security and
bug fix support

Drupal 8 security and
bug fix support

Drupal 7 security and
bug fix support

Vendor extended commercial
support for Drupal 7

Drupal 10 security and
bug fix support

	10.0		10.1		10.2		10.3

Deep dive: State of Drupal 9

Slides are open source

(CC BY-NC-SA 2.5)

Created by @gaborhojtsy at @acquia

Amber Matz

Gábor Hojtsy

Who is using Drupal 7?

Rebuild from Drupal 7 to 8/9

Upgrade Status

Drupal Module Upgrader

Migrate Suite

Improvements with Drupal 9

Innovation is different from Drupal 8 onwards

Why Drupal 9 then?

Try Drupal 9 with composer + PHP

5 steps to upgrade from Drupal 8 to 9

Ensure your environment is compatible with Drupal 9

#1

Keep Drupal 8 core up-to-date

#2

Only upgrades from Drupal 8.8 and 8.9 are supported

Update contributed projects to their latest versions

#3

8.x-1.7

Token module

6.0.0-alpha2

Semantic versioning now available for all projects

Webform module

Top 200 projects

Remove deprecated API use in your custom projects

#4

Update core itself to Drupal 9

#5

Recap

Upgrade Tools

Upgrade Status

Upgrade Rector

(drupal-rector)

Covers 42% of all issues found in all drupal.org projects

Run your automated tests against Drupal 9.0.0

No tests, or not enough coverage?

dev.acquia.com/drupal9

What are the new

features of Drupal 9?

"The big deal about Drupal 9 is ... that it should not be a big deal"

Dries Buytaert

First release with new features is 9.1.0 on

Summary

Read more and discuss

Thanks!

Deep Dive: State of Drupal 9 -- for DrupalCon Global

More from Gábor Hojtsy

Keep Drupal 8 core
up-to-date

Update core itself
to Drupal 9

Covers 42% of
all issues found
in all drupal.org projects