Issue #3483050 by mstrelan, nicxvan: Add int return type to all hook_update_last_removed implementations

(cherry picked from commit 3d350b03)

Issue #3397575 by kim.pepper, sourabhjain, alexpott, longwave: Deprecate file_progress_implementation() and replace with extension_loaded('uploadprogress')

Issue #3328454 by xjm, Bhanu951, jidrone, smustgrave: Replace most strpos() !== FALSE or === FALSE with str_contains()

Issue #3279289 by rizzie, claudiu.cristea, Berdir, cilefen: file_requirements() can trigger a PHP 8.1 deprecation notice when called without a SERVER_SOFTWARE server env variable

Issue #3087644 by jibran, Berdir, alexpott, longwave, Wim Leers, amateescu, catch, xjm, larowlan, dpi, quietone: Remove Drupal 8 updates up to and including 88**

Revert "Issue #3087644 by jibran, Berdir, alexpott, longwave, Wim Leers, amateescu, catch, larowlan, dpi, quietone: Remove Drupal 8 updates up to and including 88**"

This reverts commit 136f0550.

Issue #3087644 by jibran, Berdir, alexpott, longwave, Wim Leers, amateescu, catch, larowlan, dpi, quietone: Remove Drupal 8 updates up to and including 88**

Issue #3053363 by alexpott, Wim Leers, Berdir, mondrake, xjm: Remove support for PHP 5 in Drupal 8.8

Issue #2949964 by Sam152, longwave, Berdir, amateescu: Add an EntityOwnerTrait to standardize the base field needed by EntityOwnerInterface

Issue #2677990 by DuaelFr, agomezmoron, heykarthikwithu, gvso, alexpott, Wim Leers, larowlan: Add a setting on "Table of files" and "Generic files" formatters to use files descriptions (or not)

Issue #2801777 by Berdir, Wim Leers, Pol, alexpott, dawehner, Jo Fitzgerald, Munavijayalakshmi, poornima.n, ifrik, Bojhan, catch: Prevent drupal from deleting temporary files

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2836434 by alexpott, oriol_e9g, NickWilde, bradjones1, AdamPS, carteriii, gapple, tstoeckler, soulsymphonies: We should not ever recommend APC in Drupal 8

Revert "Issue #2718253 by oriol_e9g, alexpott, tstoeckler, bradjones1, soulsymphonies, carteriii, NickWilde, gapple, AdamPS: Upload progress w/PHP 7 (& recommendation on status report)"

This reverts commit bd4dcd10.

Issue #2718253 by oriol_e9g, alexpott, tstoeckler, bradjones1, soulsymphonies, carteriii, NickWilde, gapple, AdamPS: Upload progress w/PHP 7 (& recommendation on status report)

Issue #2571845 by drupal.ninja03, hussainweb, anil280988, snehi, jhodgdon, GoZ, stefan.r: Links to wikipedia/php.net should be part of the actual t() string so they can be localized

Issue #2570355 by Sutharsan, stefan.r, kgoel, josephdpurcell, joelpittet, justAChris, dawehner, pfrenssen, pwolanin, David_Rothstein, catch: Replace remaining !placeholder and @placeholder with :placeholder for URLs

Issue #1923406 by stefan.r, yannickoo, catch, Crell, amateescu, pwolanin, morgantocker, Damien Tournoud, sun: Use ASCII character set on alphanumeric fields so we can index all 255 characters

Revert "Issue #1923406 by stefan.r, yannickoo: Use ASCII character set on alphanumeric fields so we can index all 255 characters"

This reverts commit ac4e35ce.

Issue #1923406 by stefan.r, yannickoo: Use ASCII character set on alphanumeric fields so we can index all 255 characters

Issue #1559116 by omega8cc, mva.name, droplet, Xano, mgifford: Make core aware of Nginx and PHP-FPM to avoid confusing alerts

Issue #2183231 by tstoeckler, plach, jessebeach, fago, Berdir, xjm, mauzeh: Make ContentEntityDatabaseStorage generate static database schemas for content entities.

Issue #1399846 by slashrsm, Gábor Hojtsy, Berdir, brantwynn, visabhishek, David_Rothstein, cweagans, martin107, SteffenR, Dave Reid: Make unused file 'cleanup' configurable.

Issue #2095303 by swentel, plopesc, Berdir, claudiu.cristea, yched: Rename 'field_entity' to 'field_config' and 'field_instance' to 'field_instance_config'.

Issue #2168011 by xjm, jessebeach, Damien Tournoud, znerol, Xano: Remove all 7.x to 8.x update hooks and disallow updates from the previous major version.

Issue #2074475 by benjy, Gábor Hojtsy: Rename {file_managed}.timestamp to 'changed' and add a created timestamp.

Issue #2015697 by claudiu.cristea, yched, Berdir, splatio: Convert field type to typed data plugin for file and image modules.

Issue #1497374 by yched, chx, amateescu, plach, Damien Tournoud, fago, swentel: Switch from Field-based storage to Entity-based storage.

Issue #1847002 by tim.plunkett, effulgentsia, msonnabaum: Move entity type classes from Drupal$provider\Plugin\Core\Entity to Drupal$provider\Entity.

Issue #1815886 follow-up by slashrsm: Upgrade path for Drupal core cannot manage files larger than 4 GB

Issue #1852454 by patrickd, xjm, YesCT, Berdir, amateescu, Pancho, djroshi, dealancer, Wim Leers, jessebeach: Restrict module and theme name lengths to 50 characters.