Issue #2098717 by mikeryan, chx: Name chx and mikeryan the migrate maintainers.
Issue #1953528 by swentel, Hydra: Store 'per-bundle view mode settings' in CMI, get rid of field_bundle_settings() & its variable.
Issue #2092817 by klausi: Move REST, serialization and HAL to the web services package + CHANGELOG.txt entry.
Issue #1798738 by alexpott, mtift, tayzlor, ianmthomasuk, Albert Volkman, heyrocker, cam8001: Move css_js_query_string() to state system.
Issue #2049465 by niko-, andypost, mradcliffe, claudiu.cristea, LinL: Fixed Upgrade of image styles and effects broken.
Issue #2029767 by batigolix, kscheirer: Create hook_help() for history module.
Issue #2095225 by nod_, pameeela: Fixed Scrolling is broken on modals.
Issue #2095587 by dixon_: #HardProblems DX conclusion: Remove IdentifiableInterface.
Issue #2033413 by batigolix, amateescu: Convert link in menu_link_help() to the new routing system.
Issue #1983894 by vijaycs85, swastik1608, hussainweb: Provide config schema to field types and storage in email module.
Issue #2084659 by Xano, ju1iet: Database driver task code documentation.
Issue #2076141 by lokapujya: Unneeded dance around 'Node'/'Content' entity label in views integration code.
Issue #2098375 by sdboyer: Add gliph to composer.
Issue #731724 by larowlan, andypost, dixon_, tsvenson: Convert comment settings into a field to make them work with CMI and non-node entities.
Issue #2067915 by eatings, kjay, bserem: Restore html attributes to maintenance-page.html.twig.
Issue #2093217 by justinchev: Update Seven's description.
Issue #731724 followup by berdir, chx: HEAD BROKEN due to Convert comment settings into a field to make them work with CMI and non-node entities
Issue #2098661 by webflo: Provide config schema for Config test entity.
Issue #2097259 by vijaycs85, tstoeckler: Add hasConfigSchema() method.
Issue #2083615 by Gábor Hojtsy, YesCT, tim.plunkett, Schnitzel: Use links annotation for config entity URI like for content entities.