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▶▰gotchas/345

▶▰spfx88a-test-outside-the-release-command-guards-nothing.mdapplication-customizer-content-disappears-on-spa-navigation.mdapplication-customizer-runs-in-dialog-iframe.mdaudio-playback-in-spfx-and-teams-must-be-optional.mdautosave-effect-must-wait-for-async-inputs.mdcached-rejected-dynamic-import.mdcdn-hosted-bundle-still-needs-new-sppkg.mdcdn-hosted-extension-bundle-imports-module-the-manifest-lacks.mdcdn-pruning-deletes-extension-bundles-the-sppkg-still-references.mdcentered-flex-clips-on-mobile.mdcommand-set-button-never-appears.mdcommand-set-commands-are-fixed-in-the-manifest.mdconditional-spread-hides-a-phantom-list-column.mdcss-url-assets-break-webpack.mdculture-info-returns-web-or-user-language.mdcustom-api-permission-request-invalid.mddecompressionstream-trailing-bytes-pdf-streams.mddeep-link-param-appended-to-a-page-that-has-one.mddocked-side-panel-new-sharepoint-layout-has-no-body-container.mddrag-drop-folders-webkitgetasentry.mdelement-selector-outranks-your-button-class.mdes2015-lib-forbidden-apis.mdfixed-dropdowns-in-transformed-panels.mdgraph-permission-grants-are-tenant-wide.mdhand-built-ooxml-missing-parts.mdheft-clean-leaves-stale-lib-commonjs-tests.mdhosted-workbench-restores-web-parts-on-another-site.mdimage-promise-without-a-timeout-hangs-forever.mdinstrumenting-the-graph-client-fails-silently.mdjest-mock-doesnt-hoist-in-heft.mdjsx-attributes-and-smart-quotes.mdkill-switch-must-not-block-its-own-fix.mdlibrary-component-lazy-chunks-load-from-the-manifest-folder.mdlist-pages-run-stale-extension-bundles-from-cache-storage.mdload-a-lazy-chunk-from-the-console-via-the-webpack-runtime.mdm365-roadmap-api-has-no-cors.mdmermaid-text-clipping-webfont.mdmodern-list-grid-inject-custom-column.mdnpm-audit-omit-dev-overstates-shipped-risk.mdoffice-file-extraction-needs-a-decompressed-size-cap.mdopen-email-in-desktop-client-eml.mdoverwritten-stable-bundle-keeps-serving-old-code.mdparser-entry-and-collector-must-share-one-shape.mdpdfjs-same-canvas-multiple-render.mdpeople-search-endpoints-that-work.mdportaled-overlays-miss-your-css-reset.mdpower-automate-admin-api-unreachable-from-spfx.mdpreviewing-library-files-in-your-app.mdprint-layer-must-be-a-direct-child-of-body.mdpromise-all-discards-the-soft-reads-it-was-waiting-for.mdprotocol-relative-url-defeats-a-host-allowlist.mdprovisioning-step-gated-on-success-runs-forever.mdreact-minified-errors-cheatsheet.mdread-only-mode-must-cover-graph-too.mdreading-list-selection-from-the-dom.mdrules-of-hooks-false-positive-from-jsx-chain.mdserver-request-path-is-not-the-page-url.mdsetup-marker-written-although-a-write-failed.mdshare-text-via-url-hits-length-limits.mdshared-component-measures-viewport-not-container.mdshared-component-var-fallback-lands-on-system-font.mdshared-package-dynamic-import-inlines-with-commonjs.mdshared-style-tag-first-web-part-wins.mdsmooth-scroll-ignored-in-portaled-overlay.mdsp-pages-assembly-uncaught-in-promise-noise.mdspa-router-hijacks-anchor-clicks.mdspeech-cancel-doesnt-stop-chunked-reading.mdspfx-calling-an-intranet-api-hits-local-network-access.mdspfx-chunk-name-is-not-its-content.mdspfx-sri-integrity-via-manifest-path.mdspfx-sri-scripts-your-bundle-loads-itself.mdstatic-host-serves-manifest-before-bundle.mdstoppropagation-on-click-does-not-stop-the-keyboard.mdteams-mobile-webview-renders-desktop-width.mdteams-personal-app-needs-global-deploy.mdteams-personal-app-user-id-belongs-to-root-site.mdtenant-csp-is-inherited-by-srcdoc-frames.mdtextarea-jumps-after-programmatic-selection.mdtheme-override-cant-reach-root-declared-tokens.mdtoken-rollout-counter-measures-every-client.mdtrailing-whitespace-regex-is-quadratic-on-ai-output.mdunparseable-json-column-is-not-an-empty-column.mduser-email-is-empty-for-mailbox-less-accounts.mdweb-part-cannot-grant-its-own-graph-permissions.mdwebproxy-is-add-in-only.mdwindow-open-noopener-returns-null.mdwindow-scrollto-does-nothing-on-modern-page.mdzip-bomb-guard-reading-a-private-jszip-field.md

▶▰rest-api78a-counter-written-from-a-stale-read-loses-votes.mdaction-endpoints-return-an-empty-body.mdactions-must-precede-the-alias-query-string.mdadding-an-attachment-changes-the-item-etag.mdapp-page-webpart-properties-not-in-canvascontent.mdbatch-file-move-group-by-file-not-record.mdbrowser-cache-answers-your-read-after-write-check.mdcheck-then-insert-races-duplicate-rows.mdchoice-fields-accept-any-value.mdconcurrent-merge-same-item-409-save-conflict.mdcopy-and-move-keeps-versions-timestamps-and-authors.mdcopy-job-end-before-target-visible.mdcopy-job-item-batches-folder-metadata.mdcopy-job-library-root-progress-logs-and-warnings.mdcreate-modern-page-via-rest-sitepages.mdcreating-a-view-posts-sp-view-not-viewcreationinformation.mddatetime-write-full-iso-read-local-day.mddecimal-comma-erases-a-number-column.mddelete-group-by-name-no-removebyname.mddelete-is-permanent-recycle-is-the-bin.mddeleted-site-vs-site-you-cannot-see.mddont-cache-a-throttled-permission-probe.mdensureuser-returns-the-login-name.mdetag-key-is-odata-etag-with-at-sign.mdevent-dedup-by-timestamp-watermark-loses-events.mdfield-created-twice-gets-a-numeric-suffix.mdfield-subtype-property-without-type-is-400.mdfield-written-but-missing-from-select.mdfieldvaluesastext-reencodes-underscores.mdfile-size-needs-expand-file.mdfile-upload-406-needs-verbose.mdfile-versions-are-oldest-first.mdfilter-literal-encoded-twice-finds-nothing.mdfilter-on-multivalue-person-field-400.mdfolder-files-reject-a-two-level-expand.mdget-list-by-url-not-by-title.mdgetbyinternalnameortitle-400-not-404.mdgetfolderbyserverrelativeurl-200-for-a-missing-folder.mdgetobjectsharinginformation-traps.mdgetstorageentity-returns-200-for-missing-key.mdhash-and-percent-in-file-names-need-the-resourcepath-api.mdhtml-upload-gains-mso-document-properties.mdhubsites-list-is-trimmed-per-user.mdhubsites-returns-empty-list-not-403.mdhyperlink-field-takes-an-object-not-a-string.mdimage-webpart-in-canvas-via-rest.mdinvalid-text-value-is-a-maxlength-500.mdjoinhubsite-moves-site-between-hubs.mdlist-folder-via-folders-add-has-no-list-item.mdlist-item-versions-are-newest-first-and-include-current.mdlist-metadata-etag-tracks-schema-not-content.mdlistitemallfields-dates-are-web-local-without-z.mdlookup-fields-need-expand.mdmetadata-body-requires-verbose.mdmissing-attachment-returns-400-not-404.mdmissing-field-lookup-returns-400-not-404.mdmissing-file-404-vs-cannot-read.mdodata-string-literals-and-apostrophes.mdoverwrite-true-in-a-shared-folder-steals-another-records-file.mdpage-size-cap-reported-as-a-result.mdpdf-conversion-endpoint-plain-fetch-only.mdpower-platform-admin-api-regional-nextlink.mdprovisioning-skips-schema-changes-to-existing-fields.mdrecycle-file-versions-instead-of-deleting-them.mdreindex-library-from-code-works-under-noscript.mdrequest-digest-expires-mid-session.mdrest-request-body-2mb-limit.mdretry-on-throttling-only-for-get.mdretry-without-new-columns-on-any-400-loses-data.mdsearch-api-needs-odata-version-3.mdsilent-fallbacks-poison-destructive-writes.mdsilent-read-failure-drives-delete-all.mdstoragemetrics-can-be-stale-not-just-zero.mdunbounded-promise-all-fanout-throttling.mdunencoded-hash-in-a-filter-value-cuts-the-url.mdvalidate-endpoint-answers-200-when-nothing-was-written.mdweburl-plus-server-relative-url-doubles-the-site-path.mdwhich-columns-are-the-librarys-own.md

▶▰graph43application-access-policy-rejects-shared-mailbox.mdarchived-site-returns-423-on-every-read.mdaudit-query-permission-vs-audit-role.mdaudit-query-silently-filters-by-scope.mdaz-cli-cannot-grant-sites-selected.mdchannel-created-but-its-sharepoint-folder-is-not.mdcheck-membership-of-another-user-without-user-read-all.mdcomma-in-a-permissions-table-can-mean-and.mdcreate-team-on-new-group-returns-404-retry.mddirectoryobject-collections-reject-select-and-top.mddisabled-accounts-include-shared-mailboxes.mddynamic-group-memberof-rule-retired-groups-freeze.mdemail-html-built-like-a-web-page-breaks-in-outlook.mdexchange-admin-api-no-cors-from-browser.mdfilter-on-group-members-needs-count-too.mdgraph-client-does-not-encode-filter-values.mdgroup-member-ref-needs-object-id.mdmail-probe-no-mailbox-vs-no-consent.mdmsgraph-client-network-failure-looks-like-http-error.mdmsgraphclient-calls-bypass-devtools-network.mdnewsletter-loop-over-sendmail-is-not-bulk-email.mdoffice-files-property-demotion.mdpatch-me-directory-vs-profile-fields.mdper-user-mfa-state-lies-under-conditional-access.mdpreauthorized-app-needs-existing-scope.mdprivileged-roles-isprivileged-is-beta-only.mdpurview-audit-query-api-is-async.mdpurview-objectidfilters-returns-nothing-silently.mdreread-fresh-before-bulk-membership-removal.mdsendmail-attachment-size-ceiling.mdsendmail-fallback-reported-as-sent.mdsendmail-from-is-the-signed-in-user.mdsendmail-without-mailbox-times-out-and-sdk-retries.mdservice-health-suite-incidents-have-no-workload.mdservice-messages-orderby-stops-at-first-page.mdsigninactivity-without-p1-reports-zero-inactive.mdteams-channel-messages-need-a-teams-license.mdteams-message-sent-as-user-does-not-notify-sender.mdtenant-wide-enumeration-is-app-only.mdtodo-rejects-select.mdtodo-requires-exchange-mailbox.mdusage-reports-cors-blocked-in-browser.mdzero-sent-hides-whether-anyone-was-asked.md

▶▰tooling26azure-tts-hd-voice-is-generative-verify-by-transcription.mdbundle-license-files-never-reach-your-cdn.mdcompiled-files-next-to-sources-fake-your-build-check.mdconsole-fetch-hangs-under-odsp-service-worker.mdcontributors-panel-stale-after-history-rewrite.mddiagnostics-that-cannot-survive-the-crash.mddriving-a-spfx-page-from-the-console.mdecdsa-signature-node-der-vs-webcrypto-p1363.mdgetting-bulk-data-into-a-sharepoint-page-from-the-console.mdgit-bash-mangles-backslashes-for-native-exes.mdgit-hook-without-exec-bit-is-skipped-on-linux-ci.mdgit-rm-leaves-the-directory-so-tools-report-a-phantom-version.mdgithub-pages-certificate-stuck.mdgithub-pages-without-nojekyll-freezes-a-static-cdn.mdglobal-navigator-assignment-for-jsdom-is-ignored-on-node-21.mdjest-default-timeout-under-load-breaks-the-next-test.mdjest-loads-a-second-react-through-a-linked-package.mdjest-process-env-tz-does-not-change-the-time-zone.mdmeasuring-a-page-in-a-hidden-tab.mdmoving-a-static-cdn-off-github-pages.mdnul-byte-makes-grep-treat-file-as-binary.mdprocess-exit-after-fetch-lies-about-the-exit-code.mdretention-by-git-history-deletes-files-overwritten-in-place.mdsite-swap-refuses-hub-sites-and-ever-published-sites.mdtextencoder-missing-in-jsdom-breaks-a-dependency-at-import.mdword-pdf-export-substitutes-fonts.md

▶▰lists25a-version-is-a-full-copy-not-a-delta.mdchoice-value-missing-from-the-field-is-stored-anyway.mdclient-written-identity-needs-the-server-author.mdcreated-modified-on-a-document-library.mdempty-date-is-not-an-empty-string-in-formatting.mdfield-internal-name-comes-from-displayname.mdformatter-href-non-web-protocol-drops-element.mdformatter-renders-empty-in-your-working-tab.mdformatting-length-is-for-arrays-not-strings.mdgallery-cards-render-from-tileprops.mdgroup-header-date-is-the-readers-display-string.mdhtml-in-a-library-cannot-be-iframed.mdindexing-built-in-fields-title-created.mditem-ids-are-not-reused-but-recreated-lists-restart.mditem-level-permissions-defaults-on-provisioned-lists.mdlibrary-multiline-text-255-limit.mdlist-items-keep-authors-dates-and-version-history.mdlist-view-threshold-and-indexes.mdmajor-version-limit-zero-means-unlimited.mdreader-written-counters-belong-in-their-own-list.mdseed-idempotency-must-key-on-the-item.mdversion-gated-provisioning-drops-elevated-settings.mdview-formatter-rejects-angle-bracket-and-ampersand.mdview-formatting-drops-css-gradients.mdview-formatting-lands-on-the-wrong-view.md

▶▰permissions22a-count-over-a-readsecurity-2-list-is-the-readers-share.mdadd-only-permission-sync-leaks-on-owner-change.mdbreak-without-copy-keeps-only-you.mdcontribute-on-the-web-can-edit-and-delete-site-pages.mdediting-others-items-needs-override-list-behaviors.mdeffective-permissions-ignore-security-groups.mdfirst-unique-ancestor-has-no-type-in-nometadata.mdgraph-api-access-approval-needs-global-admin.mdguests-cannot-join-teams-shared-channels.mditem-level-edit-rights-cover-every-field.mdlimited-access-cannot-be-granted.mdnarrowing-to-read-checks-view-before-stripping-write.mdone-sided-permission-check-passes-on-an-empty-acl.mdpage-only-reader-is-denied-at-the-site-root.mdpermissionkind-is-one-based-off-by-one-fakes-a-finding.mdreset-inheritance-is-a-one-way-door.mdsite-audience-from-associated-groups-misses-nested-groups.mdstatus-code-measures-the-order-of-checks-not-permissions.mdtenant-root-site-is-not-readable-by-everyone.mdunique-role-assignments-is-not-proof-of-hardening.mdupload-only-drop-box-for-sensitive-photos.mdwrite-security-4-needs-managelists.md

▶▰search19compare-sharepoint-paths-decode-first.mdcrawl-log-exists-in-spo-via-csom.mdduplicate-trimming-hides-file-copies.mdenumerate-every-site-from-the-browser-console.mdgraph-search-raw-question-returns-nothing.mdkql-or-escapes-your-scope-filter.mdkql-same-property-restrictions-are-ored.mdmd-is-fulltext-indexed-despite-the-docs.mdnocrawl-on-a-library-silently-blinds-your-rag.mdparentlink-points-at-a-view-not-the-library.mdreasoning-model-empty-query-falls-back-to-the-raw-question.mdscope-search-to-a-list-of-sites-refinementfilters.mdsearch-500-and-429-are-transient-retry-reads.mdsearch-cannot-see-text-inside-images.mdsensitivity-labels-in-search-and-licensing.mdsite-missing-from-the-index-looks-like-a-permissions-problem.mdsp-search-inflected-languages-need-prefix-wildcards.mdunknown-managed-properties-fail-silently.mdviewsx-properties-sort-only-by-viewslifetime.md

▶▰azure-functions18aoai-429-measure-prompt-size-not-frequency.mdaoai-deployment-type-decides-where-prompts-are-processed.mdazure-openai-pinned-model-version-is-a-time-bomb.mdcache-control-on-dynamic-endpoint-is-uninvalidatable.mdfresh-subscription-blocks-your-first-deployment.mdfuncignore-unanchored-pattern-strips-node-modules.mdgithub-oidc-immutable-subject-claim.mdpdf-parse-and-pdfjs-dist-cannot-share-a-process.mdpublic-mode-flag-opens-every-endpoint.mdrate-limit-counts-capability-probe-corporate-nat.mdretry-after-does-not-survive-cors.mdretry-only-fast-failures.mdserver-side-origin-check-rejects-your-own-smoke-test.mdthird-party-api-measure-before-you-build-on-it.mdunique-default-hostname-no-such-host.mdverifying-cors-by-header-presence-passes-every-origin.mdwebsite-contentshare-fixed-value-breaks-after-slot-swap.mdwindows-zip-deploy-breaks-running-app.md

▶▰security14a-formatter-is-a-hole-in-your-escaping.mdapp-provisioned-library-inherits-web-write.mdbreaking-inheritance-copies-foreign-edit-grants.mdcsv-export-of-list-data-executes-formulas.mdeffective-permissions-bitmask-off-by-one.mdentra-group-inside-a-sharepoint-group-is-invisible-to-membership-checks.mdfewer-sites-and-403s-mean-a-different-account.mdfield-hiding-is-not-a-permission.mdgroup-created-by-code-hides-its-membership.mdlocking-down-a-noscript-site-from-code.mdsanitizer-keeps-script-and-style-text.mdstored-xss-from-list-content.mduploaded-svg-is-stored-xss.mdurl-sanitiser-strips-spaces.md

▶▰powershell11az-cmd-parentheses-in-query-break-cmd.mdconvertfrom-json-array-not-unwrapped-in-json-output.mderroractionpreference-stop-native-stderr.mdexport-csv-utf8-bom-flips-between-versions.mdgenerated-script-data-injection.mdget-content-mangles-utf8.mdget-pnplist-identity-rejects-server-relative-url.mdhost-is-a-constant-you-cannot-assign.mdps7-parse-check-misses-ps51-syntax-errors.mdps7-ref-arguments-break-com-calls.mdsmart-quotes-are-string-delimiters.md

▶▰app-catalog1

sppkg-packaging-pitfalls.md

▶▰guides/8
README.md
calling-sharepoint-rest-like-a-pro.mdchoosing-a-knowledge-format-for-sharepoint-rag.mdprovisioning-folder-trees-at-scale.mdrenaming-your-sharepoint-domain.mdreverse-engineering-plumsail-forms-apps.mdsearch-queries-that-actually-work.mdsharepoint-rest-vs-microsoft-graph.mdtoken-cost-of-sharepoint-content-formats.md

▶▰scripts/26

▶▰permissions8Get-EveryoneClaimReport.ps1Get-ExternalSharingReport.ps1Get-SharingLinksReport.ps1Get-SiteCollectionAdminReport.ps1Get-UniquePermissionsReport.ps1Set-SiteAccessRequestSettings.ps1Set-SiteDefaultLinkPermission.ps1Set-SiteSharingCapability.ps1

▶▰lists-and-libraries6Get-CheckedOutFilesReport.ps1Get-ContentTypeUsage.ps1Get-LargeListsReport.ps1Get-ListIndexAdvice.ps1Get-ListInventory.ps1Get-LongFileUrlReport.ps1

▶▰cleanup5Get-DeletedSitesReport.ps1Get-DuplicateFilesReport.ps1Get-FileVersionBloatReport.ps1Get-RecycleBinReport.ps1Remove-ExcessFileVersions.ps1

▶▰reporting5Get-AppCatalogInventory.ps1Get-HubSiteStructure.ps1Get-InactiveSitesReport.ps1Get-SiteCollectionInventory.ps1Get-TenantSettingsBaseline.ps1

▶▰search1

Test-SearchManagedProperty.ps1

sample-outputs.md

▶▰snippets/7

▶▰rest6azure-table-storage-no-sdk-sharedkeylite.mdcheck-another-users-effective-permissions.mdfind-externally-shared-content-search.mdget-all-list-items-paged.mdresolve-library-from-pasted-url.mdupload-generated-image-as-list-attachment.md

▶▰cli1

spo-management-shell-one-liners.md

▶▰course/CZ · 8
README.md
01-predstaveni-sharepoint.md03-informacni-architektura.md04-sprava-podnikoveho-obsahu.md05-rizeni-opravneni.md06-vyhledavani-obsahu.md07-zalohovani-obnova.md08-reporting.md09-powershell.md

▶▰talks/

▶▰resources/

M↓README.md M↓INDEX.md M↓CONTRIBUTING.md

Tools

⇢start-herereading paths ⚠errors.log152 #tags128 ◷whats-new ✎blog27 ⌕searchCtrl K

⎇ maine83e516built 2026-11-14 404 pages Atom feedEN · CZMIT