FluffyLabs · mateuszsikora · Dec 31, 2025 · Dec 28, 2025 · Dec 31, 2025 · Dec 31, 2025
diff --git a/index.html b/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/src/assets/reader.svg" />
-    <link rel="preload" href="/metadata.json" as="fetch" crossorigin="anonymous" />
+    <link rel="preload" href="https://gp.fluffylabs.dev/metadata.json" as="fetch" crossorigin="anonymous" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Gray Paper Reader</title>
 

diff --git a/src/components/LocationProvider/LocationProvider.tsx b/src/components/LocationProvider/LocationProvider.tsx
@@ -80,7 +80,8 @@ export function LocationProvider({ children }: ILocationProviderProps) {
 
     const fullVersion =
       selectedVersion.length > 0
-        ? Object.keys(metadata.versions).find((version) => version.startsWith(rawParams[VERSION_SEGMENT_INDEX]))
+        ? Object.keys(metadata.versions).find((version) => version.startsWith(rawParams[VERSION_SEGMENT_INDEX])) ??
+          (metadata.nightly?.hash.startsWith(rawParams[VERSION_SEGMENT_INDEX]) ? metadata.nightly.hash : null)
         : null;
 
     if (!fullVersion) {

diff --git a/src/components/LocationProvider/utils/locationParamsToHash.ts b/src/components/LocationProvider/utils/locationParamsToHash.ts
@@ -14,7 +14,9 @@ export const locationParamsToHash = (params: ILocationParams, metadata: IMetadat
     ? fullVersion.substring(0, SHORT_COMMIT_HASH_LENGTH)
     : metadata.versions[metadata.latest]?.hash.substring(0, SHORT_COMMIT_HASH_LENGTH) ?? "";
   const versionName =
-    (fullVersion ? metadata.versions[fullVersion]?.name : metadata.versions[metadata.latest]?.name) ?? "";
+    (fullVersion
+      ? metadata.versions[fullVersion]?.name ?? (fullVersion === metadata.nightly?.hash ? "nightly" : null)
+      : metadata.versions[metadata.latest]?.name) ?? "";
 
   const stringifiedParams = [];
 

diff --git a/src/components/MetadataProvider/MetadataProvider.tsx b/src/components/MetadataProvider/MetadataProvider.tsx
@@ -1,6 +1,6 @@
 import { type ReactNode, createContext, useContext, useEffect, useMemo, useState } from "react";
 
-const METADATA_HOST = "";
+const METADATA_HOST = "https://gp.fluffylabs.dev";
 const METADATA_JSON = `${METADATA_HOST}/metadata.json`;
 export const LEGACY_READER_HOST = "https://old-graypaper.fluffylabs.dev";
 
@@ -13,6 +13,7 @@ export interface IVersionInfo {
 
 export interface IMetadata {
   latest: string;
+  nightly?: IVersionInfo;
   versions: {
     [key: string]: IVersionInfo;
   };
@@ -57,23 +58,21 @@ export function MetadataProvider({ children }: IMetadataProviderProps) {
     fetchMetadata();
   }, []);
 
-  const context = useMemo<IMetadataContext | null>(
-    () =>
-      metadata
-        ? {
-            metadata,
-            urlGetters: {
-              pdf: (version) => `${METADATA_HOST}/graypaper-${version}.pdf`,
-              synctex: (version) => `${METADATA_HOST}/graypaper-${version}.synctex.json`,
-              texDirectory: (version) => `${METADATA_HOST}/tex-${version}`,
-              legacyReaderRedirect: (hash) => {
-                return `${LEGACY_READER_HOST}/${hash}`;
-              },
-            },
-          }
-        : null,
-    [metadata],
-  );
+  const context = useMemo<IMetadataContext | null>(() => {
+    if (!metadata) return null;
+
+    const resolveVersion = (version: string) => (version === metadata.nightly?.hash ? "nightly" : version);
+
+    return {
+      metadata,
+      urlGetters: {
+        pdf: (version) => `${METADATA_HOST}/graypaper-${resolveVersion(version)}.pdf`,
+        synctex: (version) => `${METADATA_HOST}/graypaper-${resolveVersion(version)}.synctex.json`,
+        texDirectory: (version) => `${METADATA_HOST}/tex-${resolveVersion(version)}`,
+        legacyReaderRedirect: (hash) => `${LEGACY_READER_HOST}/${hash}`,
+      },
+    };
+  }, [metadata]);
 
   if (!context) {
     return null;

diff --git a/src/components/Version/Version.tsx b/src/components/Version/Version.tsx
@@ -17,9 +17,15 @@ export function Version() {
   const { metadata } = useContext(MetadataContext) as IMetadataContext;
   const { locationParams, setLocationParams } = useContext(LocationContext) as ILocationContext;
   const { migrateSelection } = useContext(CodeSyncContext) as ICodeSyncContext;
-  const versions = Object.values(metadata.versions).filter(({ legacy }) => !legacy);
-  const currentVersionHash = metadata.versions[locationParams.version].hash;
-  const currentVersion = metadata.versions[locationParams.version];
+  const versions = [
+    ...Object.values(metadata.versions).filter(({ legacy }) => !legacy),
+    ...(metadata.nightly ? [metadata.nightly] : []),
+  ];
+  const currentVersion =
+    metadata.nightly && locationParams.version === metadata.nightly.hash
+      ? metadata.nightly
+      : metadata.versions[locationParams.version] ?? metadata.versions[metadata.latest];
+  const currentVersionHash = currentVersion.hash;
   const dropdownContentRef = useRef<HTMLDivElement>(null);
   const currentItemRef = useRef<HTMLDivElement>(null);
 
@@ -42,15 +48,7 @@ export function Version() {
     [setLocationParams, locationParams, migrateSelection],
   );
 
-  const getCurrentVersionLabel = () => {
-    const date = new Date(currentVersion.date);
-    const isLatest = currentVersion.hash === metadata.latest;
-    let label = isLatest ? "Latest" : "v";
-    if (currentVersion.name) {
-      label += `: ${currentVersion.name}`;
-    }
-    return `${label} ${shortHash(currentVersion.hash)} (${date.toLocaleDateString()})`;
-  };
+  const getCurrentVersionLabel = () => getVersionLabel(currentVersion, metadata.latest, metadata.nightly?.hash);
 
   const handleOpenChange = (open: boolean) => {
     if (open) {
@@ -89,7 +87,7 @@ export function Version() {
                 key={version.hash}
                 ref={version.hash === currentVersionHash ? currentItemRef : null}
               >
-                <VersionOption version={version} latest={metadata.latest} />
+                <VersionOption version={version} latest={metadata.latest} nightly={metadata.nightly?.hash} />
               </DropdownMenuRadioItem>
             ))}
           </DropdownMenuRadioGroup>
@@ -103,20 +101,22 @@ export function Version() {
   );
 }
 
-type VersionOptionProps = { version: IVersionInfo; latest: string };
-function VersionOption({ version, latest }: VersionOptionProps) {
+type VersionOptionProps = { version: IVersionInfo; latest: string; nightly?: string };
+function VersionOption({ version, latest, nightly }: VersionOptionProps) {
+  return <span className="w-full">{getVersionLabel(version, latest, nightly)}</span>;
+}
+
+function getVersionLabel(version: IVersionInfo, latest: string, nightly?: string) {
   const date = new Date(version.date);
-  let latestText = "Latest";
-  let versionText = "v";
-  if (version.name) {
-    latestText += `: ${version.name}`;
-    versionText += `: ${version.name}`;
+  const isNightly = version.hash === nightly;
+  const isLatest = version.hash === latest;
+
+  let label = isNightly ? "Nightly" : isLatest ? "Latest" : "v";
+  if (version.name && !isNightly) {
+    label += `: ${version.name}`;
   }
-  return (
-    <span className="w-full">
-      {version.hash === latest ? latestText : versionText} {shortHash(version.hash)} ({date.toLocaleDateString()})
-    </span>
-  );
+
+  return `${label} ${shortHash(version.hash)} (${date.toLocaleDateString()})`;
 }
 
 function shortHash(h: string) {