#mobile 3 articles

• File upload via /Files/add: nometadata works under OData v4 — an empty OData-Version breaks SPFx when you leave out Content-Typegotchas / rest-apinometadata + octet-stream under the default OData v4; an empty OData-Version without Content-Type throws inside SPHttpClient; plus the empty-filename mobile camera trap
• justify-content:center inside overflow:hidden clips content you can never scroll togotchas / spfxCentering + overflow cuts content above the scroll; flex "springs"
• Teams mobile webview renders your tab at ~980px — and you can't reproduce it in a browsergotchas / spfx~980px layout; fix the viewport meta in Teams first