4.0.0-alpha.4

@pedro-mendonca

What's Changed

Show the exact amount of spaces added or missing on the translation warnings by @pedro-mendonca in #1490
Locales: Correct de_AT country_code, add fa_AF country code. by @dd32 in #1491
1425: Add Glossary sorting by @pedro-mendonca in #1426
Bump @wordpress/scripts from 24.1.0 to 24.3.0 by @dependabot in #1503
Bump @wordpress/env from 5.2.0 to 5.4.0 by @dependabot in #1504
Add characters and words counts to editor by @pedro-mendonca in #1478
Check the missing uppercase in the beginning of the translations by @amieiro in #1450
Set as old the previous translations with changes requested by @amieiro in #1497
Explain when the wp_locale filed should be used by @akirk in #1537
Add locale en_IE / English (Ireland) by @2ndkauboy in #1520
Add locale es_PA / Spanish (Panama) by @2ndkauboy in #1521
Update the Facebook locale for es_MX by @amieiro in #1538
Add an action gp_after_project_form_fields to enable additional fields to be added by @2ndkauboy in #1522
[1523] Get supported formats extensions dynamically by @pedro-mendonca in #1524
Locales: Add Tarifit locale by @ipshel in #1477
Bump yoast/phpunit-polyfills from 1.0.3 to 1.0.4 by @dependabot in #1528
Bump loader-utils from 2.0.2 to 2.0.4 by @dependabot in #1525
Bump @wordpress/scripts from 24.3.0 to 24.6.0 by @dependabot in #1526
Check JSON for double array to fix fatal error by @trymebytes in #1569
Release 4.0.0-alpha.4 by @amieiro in #1580

Full Changelog: 4.0.0-alpha.3...4.0.0-alpha.4