Issue #2938853 by mcdruid: Remove outdated and misleading comment re. temp directory from file_save_upload

Issue #2377747 by mondrake, eiriksm, rpayanm, adci_contributor, mgifford, oakulm, Truptti, chetan2111, joyceg, alexpott, xjm, yoroy, catch: Incorrect node create validation error when an invalid image is attached to a field

Issue #2825487 by damiankloip, Wim Leers, garphy, cburschka, tedbow, dpovshed, tstoeckler, Munavijayalakshmi, Berdir, dawehner, e0ipso: Fix normalization of File entities: file entities should expose the file URL as a computed property on the 'uri' base field

Issue #2909676 by Miraya, rang501, ericbellot, Jo Fitzgerald, Daniel_Rose: Improve messages about image resizing

Issue #1174892 by chr.fritsch, travist, Dave Reid, keithm, webchick, phenaproxima, Everett Zufelt, slashrsm, Wim Leers, RobW, seanB, xjm, Gábor Hojtsy, larowlan, ericduran, webflo, Berdir, pschuelke: File field formatters for rich media display with <video> and <audio> HTML5 elements

Issue #1472946 by gnuget, andypost, mmrares, sidharthap, kiamlaluno, Himanshu5050, dineshkumares, amit.drupal: Remove usages of deprecated function drupal_realpath() throughout core functions

Issue #2482783 by dmsmidt, alexpott, mgifford, 20th, Sutharsan, Jo Fitzgerald, tim.plunkett, dandaman, xjm: File upload errors not set or shown correctly

Issue #2901726 by mfernea, gmario, finn.lewis, robertoperuzzo, rachel_norfolk: Fix 'Squiz.Functions.MultiLineFunctionDeclaration' coding standard

Issue #2572791 by Mile23, andriyun, attiks, RoSk0: Fix 'Drupal.WhiteSpace.OpenBracketSpacing' coding standard

SA-CORE-2017-003 by Berdir, David_Rothstein, Wim Leers, alexpott, catch, cilefen, larowlan, mlhess, pwolanin, quicksketch, samuel.mortenson, smaz, stefan.r, xjm

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 #2644838 by thpoul, Matt_five, swarad07, Wim Leers: Add test coverage for the editor's max dimension setting, and fix its message when one dimension is unrestricted

Issue #1377740 by jbrown, bvanmeurs, catch, anrikun, Jorrit, rpayanm, mvc, mikeytown2, chx: file_unmanaged_move() should issue rename() where possible instead of copy() & unlink()

Issue #2710201 by alexpott, andypost: Fix Drupal.Semantics.FunctionT.WhiteSpace and Drupal.Semantics.FunctionT.Concat

Issue #2641588 by naveenvalecha, Mac_Weber, dimaro, heykarthikwithu: Replace deprecated usage of  entity_create('file') with a direct call to File::create()

Issue #1494670 by Liam Morland, jhedstrom, Wim Leers, mfb: References to CSS, JS, and similar files should be root-relative URLs: avoids mixed content warnings & fewer bytes to send

Issue #2567257 by dawehner, stefan.r, effulgentsia, pwolanin, catch, Xano, mr.baileys, Wim Leers, k4v, Dave Reid, chx, googletorp, plach, lauriii, Berdir, webchick, alexpott, stefan.r: hook_tokens() $sanitize option incompatible with Html sanitisation requirements

Revert "Issue #2567257 by dawehner, stefan.r, effulgentsia, pwolanin, catch, Xano, mr.baileys, Wim Leers, k4v, Dave Reid, chx, googletorp, plach, lauriii, Berdir, webchick, alexpott, stefan.r: hook_tokens() $sanitize option incompatible with Html sanitisation requirements"

This reverts commit 542a1663.

Issue #2567257 by dawehner, stefan.r, effulgentsia, pwolanin, catch, Xano, mr.baileys, Wim Leers, k4v, Dave Reid, chx, googletorp, plach, lauriii, Berdir, webchick, alexpott, stefan.r: hook_tokens() $sanitize option incompatible with Html sanitisation requirements

Issue #2560783 by stefan.r, joelpittet, lauriii, Cottser, Sutharsan, kgoel, justAChris, Gábor Hojtsy, dawehner, jhodgdon, effulgentsia, xjm, andypost, googletorp: Replace !placeholder with :placeholder for URLs in hook_help() implementations

Issue #2557871 by alexpott: Remove all usages SafeMarkup::checkPlain() from template preprocess functions and attributes

Issue #2557519 by alexpott, joelpittet: Remove many usages SafeMarkup::checkPlain() and replace with Html::escape()

Issue #2525910 by dawehner, effulgentsia, Berdir, lauriii, larowlan, timmillwood, Wim Leers, chx, arlinsandbulte, Fabianx, Gábor Hojtsy, Dave Reid, alexpott, catch: Ensure token replacements have cacheability + attachments metadata and that it is bubbled in any case