Issue #3273317 by clayfreeman, larowlan, tim.plunkett, danflanagan8: Add 'in_preview' variable to block and layout templates

Issue #3232097 by daffie, longwave: [Symfony 6] Add "array" type hint to methods overriding Symfony\Component\EventDispatcher\EventSubscriberInterface::getSubscribedEvents()

Issue #3020876 by alex_optim, sakiland, batkor, pfrenssen, mohit_aghera, i-trokhanenko, drclaw, iamdroid, Grayle, tim.plunkett, gun_dose, acbramley, Chris Burge, Sam152, longwave: Contextual links of reusable content blocks are not displayed when rendering entities built via Layout Builder

Issue #3088077 by Sam152, bkosborne, rensingh99, tim.plunkett: Layout builder does not correctly bubble up cache metadata for empty blocks

Issue #3090174 by tim.plunkett, henriklarsson: Data attribute 'layout-content-preview-placeholder-label' exists outside LB UI

Issue #3042216 by johndevman, lauriii, tim.plunkett: Only add .layout-builder-block to blocks when in the Layout Builder UI

Issue #3041053 by tim.plunkett, tedbow, xjm, larowlan, phenaproxima, webchick, effulgentsia, DyanneNova, Sam152, lauriii, dead_arm, bnjmmn, balsama: Mark Layout Builder as a stable module

Issue #2959493 by bnjmnm, phenaproxima, tim.plunkett, tedbow, Adrian83, lauriii, xjm, andrewmacpherson, johndevman, KarenS, alwaysworking, jrockowitz, ckrina, cboyden, webchick, seanB, benjifisher, larowlan: Allow Layout Builder live previews to be toggled to allow easier drag-and-drop

(cherry picked from commit d028385c)

Issue #3002608 by bnjmnm, tedbow, Wim Leers, samuel.mortenson, tim.plunkett, xjm, lauriii, jibran, phenaproxima, effulgentsia: Remove contextual links not related to layout administration inside layout builder blocks

Issue #2973921 by tedbow, bnjmnm, yogeshmpawar, Kristen Pol, lauriii, alwaysworking, xjm, andrewmacpherson: Interactive controls inside preview block in the Layout Builder form should be disabled

Issue #3007439 by tim.plunkett, Wim Leers, xopoc: Layout builder renders Book navigation block on non-book pages

Issue #2992410 by tim.plunkett, scottsawyer, sugaroverflow, phenaproxima: Provide placeholders for empty blocks (for example, an empty Views listing)

Issue #2957425 by tedbow, johndevman, mpotter, tim.plunkett, hawkeye.twolf, alexpott, Berdir, samuel.mortenson, xjm, kevincrafts, jibran, amateescu, larowlan, twfahey, EclipseGc, sjerdo, japerry, mtodor, phenaproxima, johnzzon, mglaman: Allow the inline creation of non-reusable Custom Blocks in the layout builder

Revert "Issue #2957425 by tedbow, johndevman, tim.plunkett, hawkeye.twolf, Berdir, alexpott, samuel.mortenson, kevincrafts, jibran, larowlan, amateescu, twfahey, sjerdo, mtodor, japerry, xjm, phenaproxima, mglaman, EclipseGc, johnzzon: Allow the inline creation of non-reusable Custom Blocks in the layout builder"

This reverts commit 500403b4.

Issue #2957425 by tedbow, johndevman, tim.plunkett, hawkeye.twolf, Berdir, alexpott, samuel.mortenson, kevincrafts, jibran, larowlan, amateescu, twfahey, sjerdo, mtodor, japerry, xjm, phenaproxima, mglaman, EclipseGc, johnzzon: Allow the inline creation of non-reusable Custom Blocks in the layout builder

Issue #2937799 by EclipseGc, tim.plunkett, effulgentsia, tedbow, Kristen Pol: Allow greater flexibility within SectionComponent::toRenderArray()