Issue #3264120 by Spokje, catch, Taran2L, danflanagan8, xjm, quietone, ckrina: Remove aggregator module and our dependency on Laminas Feed

This reverts commit d87707c8.

Issue #3120222 by ridhimaabrol24, jofitz, ravi.shankar, vsujeetkumar, Hardik_Patel_12, swatichouhan012, davidhernandez, Kristen Pol: Change System requirements URLs to new evergreen URLs

Issue #2898947 by rajandro, jungle, ankit.singh, AkashkumarOSL, Lal_, shimpy, Saurabh_sgh, markdorison, gnikolovski, jordanwood, librarylasso, Swapnil_Kotwal, mrinalini9, chiranjeeb2410, codersukanta, daffie, xjm, alexpott, mmjvb, mparker17, MaskyS, larowlan, quietone: Change "writeable" to "writable" in documentation

Issue #2256367 by pradeepjha, cburschka, mgifford, Rkumar, jhodgdon, xjm, longwave: Consistently use "website" instead of "web site" in Drupal Core docs and UI text

Issue #2846994 by Gábor Hojtsy, jungle, andypost, daffie, swatichouhan012, xjm, catch, effulgentsia, bzrudi71, mradcliffe, TravisCarden, Mixologic: Increase minimum version requirement for Postgres to 10 and require the pg_trgm extension

Issue #3114079 by johndevman, catch, Liam Morland, longwave, mr.baileys, alexpott, Charlie ChX Negyesi: [policy, no patch] Update minimum supported Apache version to >= 2.4.7

Issue #3107155 by catch, effulgentsia, andypost, xjm, daffie, Gábor Hojtsy, alexpott, mondrake: Raise SQLite version requirement to 3.26 in Drupal 9

Issue #3109534 by TravisCarden, mondrake, effulgentsia, andypost, Gábor Hojtsy, catch, daffie, xjm: Raise the minimum MySQL version to 5.7.8 and MariaDB version to 10.2.7 in Drupal 9

Revert "Issue #3107155 by effulgentsia, catch, daffie, Gábor Hojtsy, andypost, xjm: Raise SQLite version requirement to 3.26 in Drupal 9"

This reverts commit 19cf46cc.

Issue #3107155 by effulgentsia, catch, daffie, Gábor Hojtsy, andypost, xjm: Raise SQLite version requirement to 3.26 in Drupal 9

Issue #3106075 by Krzysztof Domański, heddn, Gábor Hojtsy, xjm, catch, mondrake, larowlan, greg.1.anderson: Bump minimum PHP for Drupal 9 to PHP 7.3

Issue #3079791 by mikelutz, shaal, Wim Leers, hussainweb, xjm, catch, Charlie ChX Negyesi, Mixologic, Gábor Hojtsy, heddn, amateescu: Bump Drupal's minimum PHP version to 7.2 as soon as 9.0.x is branched (a higher version may be required later)

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

Issue #2830239 by cebasqueira, imalabya, spitzialist, th_tushar, monta, benjifisher, faline, alexpott: Several URLs point to  Drupal 7 documentation pages instead of Drupal 8

Issue #2911319 by alexpott, dawehner, mglaman, mradcliffe, heddn, pbirk, danquah, maxstarkenburg, geerlingguy, vaplas, Chelsee, ressa, Chi, jonathanshaw, Mile23, andypost, larowlan, phenaproxima, droffats, kim.pepper, scotty, dsnopek, cashwilliams, borisson_, Mixologic, gerzenstl, David Radcliffe: Provide a single command to install & run Drupal

Issue #2845731 by ashish-deynap, vaplas, chiranjeeb2410, Munavijayalakshmi, tramsaal, xjm: Theming guide links are wrong

Issue #2762173 by megansanicki, artinst4, YesCT, mradcliffe, a_thakur, vermauv, cilefen, mathieso, pwolanin, mlhess: Add "composer install" step to install.txt file for when Drupal is downloaded using git

(cherry picked from commit 4dcb2b1e)

Issue #2724553 by snehi, Sonal.Sangale, er.pushpinderrana, jhodgdon, e.r.n.i.e: Chapter "Change file system storage settings" in INSTALL.txt needs to be adapted to Drupal 8

Issue #2663936 by milodesc: Include .gitattributes file in list of core files to move in INSTALL.txt instructions

Issue #2508231 by timmillwood, amateescu, hussainweb, catch, dawehner, David_Rothstein, Mixologic, effulgentsia: Raise minimum required version of PHP to 5.5.9

Issue #2473301 by stefan.r, jcnventura, David_Rothstein, yannickoo: Raise MySQL requirement to 5.5.3

Issue #2388255 by dawehner, hussainweb, pwolanin: Limit PDO MySQL to executing single statements if PHP supports it

Issue #2267551 followup by jfhovinne: [meta] Deal with PHP requirement vs. Debian PHP version numbering.