Issue #3172537 by andypost, mikelutz, Gábor Hojtsy, kim.pepper: Passing a command as string when creating a "Symfony\Component\Process\Process" instance is deprecated since Symfony 4.2, pass it as an array of its arguments instead, or use the "Process::fromShellCommandline()" constructor if you need features provided

Issue #3168301 by chr.fritsch, phenaproxima: oEmbed validator should use the urlResolver to get the resource URL

Issue #2630230 by mondrake, ayushmishra206, chr.fritsch, eiriksm, borisson_, msuthars, jjcarrion, mohit1604, marvin_B8, mikelutz, vacho, vakulrai, larowlan: Image effect convert fails when image file is in the public files root

Issue #3110064 by idebr, chandrashekhar_srijan, Vidushi Mehta, ckng, benjifisher, mikelutz: Migrate empty, <nolink> and <none> link field

Issue #3174158 by anmolgoyal74, alexpott, andypost: Division by zero is not warning since PHP 8.0 beta4

Issue #26552 by jhedstrom, quietone, Angry Dan, nlisgo, tssarun, acbramley, esod, sime, mindbet, aleevas, kevin.dutra, swatichouhan012, larowlan, deepakaryan1988, Mouna Hammami, scottrigby, JaredAM, ravi.shankar, andy_w, Heine, mgifford, paulocs, alexpott, xjm, pameeela, leslieg, Shyamala, mdupont, Ramya Balasubramanian: Allow users with access to unpublished nodes to create unpublished books

Issue #3156949 by ytsurk, Berdir: Filename is not shown in the maximum allowed file size error message (w/o using the file_validate_size upload validator)

Issue #2904546 by mrweiner, vsujeetkumar, quietone, dev.patrick, MaskOta, msuthars, sarvjeetsingh, abhisekmazumdar, vacho, heddn, alexpott: admin/reports/upgrade redirect doesn't handle view arguments when enabled

Issue #3162008 by catch, mikelutz, Hardik_Patel_12, longwave: Prepare for EventDispatcherInterface::dispatch() return type hint

Issue #3173991 by alexpott, andypost, Gábor Hojtsy, hussainweb: Incorrect passby reference use in anonymous functions

Issue #3174038 by alexpott, Gábor Hojtsy: ZipArchive::open(): Using empty file as ZipArchive is deprecated in PHP 8

Issue #3135027 by mondrake, Spokje, ayushmishra206, rajandro, nitesh624: Replace usages of assertArrayEquals, deprecate it

Issue #3173958 by alexpott, andypost: PHP 8 error: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given

Issue #3067523 by lauriii, huzooka, bnjmnm, nod_, alexpott: Add Drupal JavaScript theme functions for password confirm widget

Issue #3142267 by xjm, alexpott, mohrerao, jungle, mondrake, longwave, larowlan: Allow the full list of deprecations from PHPUnit8Warning to respect the --suppress-deprecations behavior on DrupalCI

Issue #3163500 by lauriii, jungle, raman.b, JeroenT, catch, longwave, larowlan: Detect when libraries-override or libraries-extend is used on deprecated library

Issue #3162403 by alexpott, mondrake: Upgrade symfony/phpunit-bridge to 5.1.6 to fix badly formed deprecation error message

Issue #3126746 by danflanagan8, Deepak Goyal, Neslee Canil Pinto, geek-merlin, tim.plunkett: LayoutBuilderHtmlEntityFormController breaks decoration

Issue #2336569 by bnjmnm, lauriii, Stefan Lehmann, samaphp, HeikeT, tompagabor, katherined, larowlan, alexpott, pghaemim, raedkhurayji: Remove incomplete <span> usage from #field_prefix and #field_suffix

Issue #3156880 by alexpott, Gábor Hojtsy, andypost, hussainweb: \Drupal\Core\Access\CsrfTokenGenerator::validate() - ensure $token is a string before calling hash_equals()

Issue #3057772 by katherined, sd9121, boulaffasae, bnjmnm, komalkolekar, lauriii, KondratievaS, ckrina, DyanneNova, Ambient.Impact, sirtet, andrewmacpherson, yoroy: Ambiguous icons for collapsing/expanding menu items

Issue #2949400 by ayushmishra206, chandrashekhar_srijan, bandanasharma, marvil07, AkashkumarOSL, quietone, mikelutz: MigrateProcessInterface documents ProcessPluginBase behaviour

Issue #2802401 by longwave, sarvjeetsingh, jhedstrom, naresh_bavaskar: Deprecate allowing NULL as $edit parameter to drupalPostForm()