bump

- Now hidden file synchronisation would not be hanged, even if so many files exist.

Improved:
- Customisation sync works more smoothly.

manifest.json

@@ -1,7 +1,7 @@
 {
     "id": "obsidian-livesync",
     "name": "Self-hosted LiveSync",
-    "version": "0.19.3",
+    "version": "0.19.5",
     "minAppVersion": "0.9.12",
     "description": "Community implementation of self-hosted livesync. Reflect your vault changes to some other devices immediately. Please make sure to disable other synchronize solutions to avoid content corruption or duplication.",
     "author": "vorotamoroz",

package-lock.json

@@ -1,12 +1,12 @@
 {
     "name": "obsidian-livesync",
-    "version": "0.19.3",
+    "version": "0.19.5",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "obsidian-livesync",
-            "version": "0.19.3",
+            "version": "0.19.5",
             "license": "MIT",
             "dependencies": {
                 "diff-match-patch": "^1.0.5",
@@ -4087,9 +4087,9 @@
             "dev": true
         },
         "node_modules/yaml": {
-            "version": "2.1.3",
+            "version": "2.2.2",
-            "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.1.3.tgz",
+            "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.2.2.tgz",
-            "integrity": "sha512-AacA8nRULjKMX2DvWvOAdBZMOfQlypSFkjcOcu9FalllIDJ1kvlREzcdIZmidQUqqeMv7jorHjq2HlLv/+c2lg==",
+            "integrity": "sha512-CBKFWExMn46Foo4cldiChEzn7S7SRV+wqiluAb6xmueD/fGyRHIhX8m14vVGgeFWjN540nKCNVj6P21eQjgTuA==",
             "dev": true,
             "engines": {
                 "node": ">= 14"
@@ -7047,9 +7047,9 @@
             "dev": true
         },
         "yaml": {
-            "version": "2.1.3",
+            "version": "2.2.2",
-            "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.1.3.tgz",
+            "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.2.2.tgz",
-            "integrity": "sha512-AacA8nRULjKMX2DvWvOAdBZMOfQlypSFkjcOcu9FalllIDJ1kvlREzcdIZmidQUqqeMv7jorHjq2HlLv/+c2lg==",
+            "integrity": "sha512-CBKFWExMn46Foo4cldiChEzn7S7SRV+wqiluAb6xmueD/fGyRHIhX8m14vVGgeFWjN540nKCNVj6P21eQjgTuA==",
             "dev": true
         },
         "yocto-queue": {

package.json

@@ -1,6 +1,6 @@
 {
     "name": "obsidian-livesync",
-    "version": "0.19.3",
+    "version": "0.19.5",
     "description": "Reflect your vault changes to some other devices immediately. Please make sure to disable other synchronize solutions to avoid content corruption or duplication.",
     "main": "main.js",
     "type": "module",

src/CmdConfigSync.ts

@@ -1,13 +1,13 @@
 import { writable } from 'svelte/store';
-import { Notice, PluginManifest, stringifyYaml, parseYaml } from "./deps";
+import { Notice, PluginManifest, parseYaml } from "./deps";
 
 import { EntryDoc, LoadedEntry, LOG_LEVEL, InternalFileEntry, FilePathWithPrefix, FilePath, DocumentID } from "./lib/src/types";
 import { ICXHeader, PERIODIC_PLUGIN_SWEEP, } from "./types";
-import { delay, getDocData } from "./lib/src/utils";
+import { Parallels, delay, getDocData } from "./lib/src/utils";
 import { Logger } from "./lib/src/logger";
 import { PouchDB } from "./lib/src/pouchdb-browser.js";
 import { WrappedNotice } from "./lib/src/wrapper";
-import { base64ToArrayBuffer, arrayBufferToBase64, readString, writeString, uint8ArrayToHexString } from "./lib/src/strbin";
+import { base64ToArrayBuffer, arrayBufferToBase64, readString, uint8ArrayToHexString } from "./lib/src/strbin";
 import { runWithLock } from "./lib/src/lock";
 import { LiveSyncCommands } from "./LiveSyncCommands";
 import { stripAllPrefixes } from "./lib/src/path";
@@ -17,13 +17,29 @@ import { PluginDialogModal } from "./dialogs";
 import { JsonResolveModal } from "./JsonResolveModal";
 
 
+function serialize<T>(obj: T): string {
+    return JSON.stringify(obj, null, 1);
+}
+function deserialize<T>(str: string, def: T) {
+    try {
+        return JSON.parse(str) as T;
+    } catch (ex) {
+        try {
+            return parseYaml(str);
+        } catch (ex) {
+            return def;
+        }
+    }
+}
 
 
 export const pluginList = writable([] as PluginDataExDisplay[]);
 export const pluginIsEnumerating = writable(false);
 
+const encoder = new TextEncoder();
 const hashString = (async (key: string) => {
-    const buff = writeString(key);
+    // const buff = writeString(key);
+    const buff = encoder.encode(key);
     const digest = await crypto.subtle.digest('SHA-256', buff);
     return uint8ArrayToHexString(new Uint8Array(digest));
 })
@@ -145,7 +161,7 @@ export class ConfigSync extends LiveSyncCommands {
         if (this.plugin.suspended) {
             return;
         }
-        if (this.settings.autoSweepPlugins) {
+        if (this.settings.autoSweepPlugins && this.settings.usePluginSync) {
             await this.scanAllConfigFiles(false);
         }
         this.periodicPluginSweepProcessor.enable(this.settings.autoSweepPluginsPeriodic && !this.settings.watchInternalFileChanges ? (PERIODIC_PLUGIN_SWEEP * 1000) : 0);
@@ -171,7 +187,7 @@ export class ConfigSync extends LiveSyncCommands {
             const entries = [] as PluginDataExDisplay[]
             const plugins = this.localDatabase.findEntries(ICXHeader + "", `${ICXHeader}\u{10ffff}`, { include_docs: true });
             const semaphore = Semaphore(4);
-            const processes = [] as Promise<void>[];
+            const para = Parallels();
             let count = 0;
             pluginIsEnumerating.set(true);
             let processed = false;
@@ -184,7 +200,8 @@ export class ConfigSync extends LiveSyncCommands {
                     processed = true;
                     const oldEntry = (this.pluginList.find(e => e.documentPath == path));
                     if (oldEntry && oldEntry.mtime == plugin.mtime) continue;
-                    processes.push((async (v) => {
+                    await para.wait(5);
+                    para.add((async (v) => {
 
                         const release = await semaphore.acquire(1);
                         try {
@@ -193,7 +210,7 @@ export class ConfigSync extends LiveSyncCommands {
                             Logger(`plugin-${path}`, LOG_LEVEL.VERBOSE);
                             const wx = await this.localDatabase.getDBEntry(path, null, false, false);
                             if (wx) {
-                                const data = parseYaml(getDocData(wx.data)) as PluginDataEx;
+                                const data = deserialize(getDocData(wx.data), {}) as PluginDataEx;
                                 const xFiles = [] as PluginDataExFile[];
                                 for (const file of data.files) {
                                     const work = { ...file };
@@ -217,7 +234,7 @@ export class ConfigSync extends LiveSyncCommands {
                     }
                     )(plugin));
                 }
-                await Promise.all(processes);
+                await para.all();
                 let newList = [...this.pluginList];
                 for (const item of entries) {
                     newList = newList.filter(x => x.documentPath != item.documentPath);
@@ -241,9 +258,9 @@ export class ConfigSync extends LiveSyncCommands {
         const docB = await this.localDatabase.getDBEntry(dataB.documentPath);
 
         if (docA && docB) {
-            const pluginDataA = parseYaml(getDocData(docA.data)) as PluginDataEx;
+            const pluginDataA = deserialize(getDocData(docA.data), {}) as PluginDataEx;
             pluginDataA.documentPath = dataA.documentPath;
-            const pluginDataB = parseYaml(getDocData(docB.data)) as PluginDataEx;
+            const pluginDataB = deserialize(getDocData(docB.data), {}) as PluginDataEx;
             pluginDataB.documentPath = dataB.documentPath;
 
             // Use outer structure to wrap each data.
@@ -282,7 +299,7 @@ export class ConfigSync extends LiveSyncCommands {
             if (dx == false) {
                 throw "Not found on database"
             }
-            const loadedData = parseYaml(getDocData(dx.data)) as PluginDataEx;
+            const loadedData = deserialize(getDocData(dx.data), {}) as PluginDataEx;
             for (const f of loadedData.files) {
                 Logger(`Applying ${f.filename} of ${data.displayName || data.name}..`);
                 try {
@@ -520,7 +537,7 @@ export class ConfigSync extends LiveSyncCommands {
                 return
             }
 
-            const content = stringifyYaml(dt);
+            const content = serialize(dt);
             try {
                 const old = await this.localDatabase.getDBEntryMeta(prefixedFileName, null, false);
                 let saveData: LoadedEntry;
@@ -567,6 +584,7 @@ export class ConfigSync extends LiveSyncCommands {
 
     }
     async watchVaultRawEventsAsync(path: FilePath) {
+        if (!this.settings.usePluginSync) return false;
         if (!this.isTargetPath(path)) return false;
         const stat = await this.app.vault.adapter.stat(path);
         // Make sure that target is a file.

src/CmdHiddenFileSync.ts

@@ -1,14 +1,13 @@
 import { Notice, normalizePath, PluginManifest } from "./deps";
 import { EntryDoc, LoadedEntry, LOG_LEVEL, InternalFileEntry, FilePathWithPrefix, FilePath } from "./lib/src/types";
 import { InternalFileInfo, ICHeader, ICHeaderEnd } from "./types";
-import { delay, isDocContentSame } from "./lib/src/utils";
+import { Parallels, delay, isDocContentSame } from "./lib/src/utils";
 import { Logger } from "./lib/src/logger";
 import { PouchDB } from "./lib/src/pouchdb-browser.js";
 import { disposeMemoObject, memoIfNotExist, memoObject, retrieveMemoObject, scheduleTask, isInternalMetadata, PeriodicProcessor } from "./utils";
 import { WrappedNotice } from "./lib/src/wrapper";
 import { base64ToArrayBuffer, arrayBufferToBase64 } from "./lib/src/strbin";
 import { runWithLock } from "./lib/src/lock";
-import { Semaphore } from "./lib/src/semaphore";
 import { JsonResolveModal } from "./JsonResolveModal";
 import { LiveSyncCommands } from "./LiveSyncCommands";
 import { addPrefix, stripAllPrefixes } from "./lib/src/path";
@@ -254,37 +253,35 @@ export class HiddenFileSync extends LiveSyncCommands {
                 c = pieces.shift();
             }
         };
-        const p = [] as Promise<void>[];
-        const semaphore = Semaphore(10);
         // Cache update time information for files which have already been processed (mainly for files that were skipped due to the same content)
         let caches: { [key: string]: { storageMtime: number; docMtime: number; }; } = {};
         caches = await this.kvDB.get<{ [key: string]: { storageMtime: number; docMtime: number; }; }>("diff-caches-internal") || {};
+        const filesMap = files.reduce((acc, cur) => {
+            acc[cur.path] = cur;
+            return acc;
+        }, {} as { [key: string]: InternalFileInfo; });
+        const filesOnDBMap = filesOnDB.reduce((acc, cur) => {
+            acc[stripAllPrefixes(this.getPath(cur))] = cur;
+            return acc;
+        }, {} as { [key: string]: InternalFileEntry; });
+        const para = Parallels();
         for (const filename of allFileNames) {
-            if (!filename) continue;
             processed++;
-            if (processed % 100 == 0)
+            if (processed % 100 == 0) {
                 Logger(`Hidden file: ${processed}/${fileCount}`, logLevel, "sync_internal");
+            }
+            if (!filename) continue;
             if (ignorePatterns.some(e => filename.match(e)))
                 continue;
 
-            const fileOnStorage = files.find(e => e.path == filename);
+            const fileOnStorage = filename in filesMap ? filesMap[filename] : undefined;
-            const fileOnDatabase = filesOnDB.find(e => stripAllPrefixes(this.getPath(e)) == filename);
+            const fileOnDatabase = filename in filesOnDBMap ? filesOnDBMap[filename] : undefined;
-            const addProc = async (p: () => Promise<void>): Promise<void> => {
+
-                const releaser = await semaphore.acquire(1);
-                try {
-                    return p();
-                } catch (ex) {
-                    Logger("Some process failed", logLevel);
-                    Logger(ex);
-                } finally {
-                    releaser();
-                }
-            };
             const cache = filename in caches ? caches[filename] : { storageMtime: 0, docMtime: 0 };
 
-            p.push(addProc(async () => {
+            await para.wait(5);
-                const xFileOnStorage = fileOnStorage;
+            const proc = (async (xFileOnStorage: InternalFileInfo, xFileOnDatabase: InternalFileEntry) => {
-                const xFileOnDatabase = fileOnDatabase;
+
                 if (xFileOnStorage && xFileOnDatabase) {
                     // Both => Synchronize
                     if ((direction != "pullForce" && direction != "pushForce") && xFileOnDatabase.mtime == cache.docMtime && xFileOnStorage.mtime == cache.storageMtime) {
@@ -326,9 +323,11 @@ export class HiddenFileSync extends LiveSyncCommands {
                     throw new Error("Invalid state on hidden file sync");
                     // Something corrupted?
                 }
-            }));
+
+            });
+            para.add(proc(fileOnStorage, fileOnDatabase))
         }
-        await Promise.all(p);
+        await para.all();
         await this.kvDB.set("diff-caches-internal", caches);
 
         // When files has been retrieved from the database. they must be reloaded.
@@ -495,7 +494,7 @@ export class HiddenFileSync extends LiveSyncCommands {
         const mtime = new Date().getTime();
         await runWithLock("file-" + prefixedFileName, false, async () => {
             try {
-                const old = await this.localDatabase.getDBEntry(prefixedFileName, null, false, false) as InternalFileEntry | false;
+                const old = await this.localDatabase.getDBEntryMeta(prefixedFileName, null, true) as InternalFileEntry | false;
                 let saveData: InternalFileEntry;
                 if (old === false) {
                     saveData = {
@@ -541,7 +540,7 @@ export class HiddenFileSync extends LiveSyncCommands {
             try {
                 // Check conflicted status 
                 //TODO option
-                const fileOnDB = await this.localDatabase.getDBEntry(prefixedFileName, { conflicts: true }, false, false);
+                const fileOnDB = await this.localDatabase.getDBEntry(prefixedFileName, { conflicts: true }, false, true);
                 if (fileOnDB === false)
                     throw new Error(`File not found on database.:${filename}`);
                 // Prevent overwrite for Prevent overwriting while some conflicted revision exists.

src/ObsidianLiveSyncSettingTab.ts

@@ -19,7 +19,7 @@ export class ObsidianLiveSyncSettingTab extends PluginSettingTab {
         this.plugin = plugin;
     }
     async testConnection(): Promise<void> {
-        const db = await this.plugin.replicator.connectRemoteCouchDBWithSetting(this.plugin.settings, this.plugin.isMobile);
+        const db = await this.plugin.replicator.connectRemoteCouchDBWithSetting(this.plugin.settings, this.plugin.isMobile, true);
         if (typeof db === "string") {
             this.plugin.addLog(`could not connect to ${this.plugin.settings.couchDB_URI} : ${this.plugin.settings.couchDB_DBNAME} \n(${db})`, LOG_LEVEL.NOTICE);
             return;
@@ -376,7 +376,7 @@ export class ObsidianLiveSyncSettingTab extends PluginSettingTab {
                 useDynamicIterationCount: useDynamicIterationCount,
             };
             console.dir(settingForCheck);
-            const db = await this.plugin.replicator.connectRemoteCouchDBWithSetting(settingForCheck, this.plugin.isMobile);
+            const db = await this.plugin.replicator.connectRemoteCouchDBWithSetting(settingForCheck, this.plugin.isMobile, true);
             if (typeof db === "string") {
                 Logger("Could not connect to the database.", LOG_LEVEL.NOTICE);
                 return false;

src/main.ts

@@ -4,7 +4,7 @@ import { Diff, DIFF_DELETE, DIFF_EQUAL, DIFF_INSERT, diff_match_patch } from "di
 import { debounce, Notice, Plugin, TFile, addIcon, TFolder, normalizePath, TAbstractFile, Editor, MarkdownView, RequestUrlParam, RequestUrlResponse, requestUrl } from "./deps";
 import { EntryDoc, LoadedEntry, ObsidianLiveSyncSettings, diff_check_result, diff_result_leaf, EntryBody, LOG_LEVEL, VER, DEFAULT_SETTINGS, diff_result, FLAGMD_REDFLAG, SYNCINFO_ID, SALT_OF_PASSPHRASE, ConfigPassphraseStore, CouchDBConnection, FLAGMD_REDFLAG2, FLAGMD_REDFLAG3, PREFIXMD_LOGFILE, DatabaseConnectingStatus, EntryHasPath, DocumentID, FilePathWithPrefix, FilePath, AnyEntry } from "./lib/src/types";
 import { InternalFileInfo, queueItem, CacheData, FileEventItem, FileWatchEventQueueMax } from "./types";
-import { getDocData, isDocContentSame } from "./lib/src/utils";
+import { getDocData, isDocContentSame, Parallels } from "./lib/src/utils";
 import { Logger } from "./lib/src/logger";
 import { PouchDB } from "./lib/src/pouchdb-browser.js";
 import { LogDisplayModal } from "./LogDisplayModal";
@@ -87,7 +87,7 @@ export default class ObsidianLiveSyncPlugin extends Plugin
     }
 
     processReplication = (e: PouchDB.Core.ExistingDocument<EntryDoc>[]) => this.parseReplicationResult(e);
-    async connectRemoteCouchDB(uri: string, auth: { username: string; password: string }, disableRequestURI: boolean, passphrase: string | false, useDynamicIterationCount: boolean): Promise<string | { db: PouchDB.Database<EntryDoc>; info: PouchDB.Core.DatabaseInfo }> {
+    async connectRemoteCouchDB(uri: string, auth: { username: string; password: string }, disableRequestURI: boolean, passphrase: string | false, useDynamicIterationCount: boolean, performSetup: boolean, skipInfo: boolean): Promise<string | { db: PouchDB.Database<EntryDoc>; info: PouchDB.Core.DatabaseInfo }> {
         if (!isValidRemoteCouchDBURI(uri)) return "Remote URI is not valid";
         if (uri.toLowerCase() != uri) return "Remote URI and database name could not contain capital letters.";
         if (uri.indexOf(" ") !== -1) return "Remote URI and database name could not contain spaces.";
@@ -104,6 +104,7 @@ export default class ObsidianLiveSyncPlugin extends Plugin
         const conf: PouchDB.HttpAdapter.HttpAdapterConfiguration = {
             adapter: "http",
             auth,
+            skip_setup: !performSetup,
             fetch: async (url: string | Request, opts: RequestInit) => {
                 let size = "";
                 const localURL = url.toString().substring(uri.length);
@@ -192,6 +193,9 @@ export default class ObsidianLiveSyncPlugin extends Plugin
         if (passphrase !== "false" && typeof passphrase === "string") {
             enableEncryption(db, passphrase, useDynamicIterationCount);
         }
+        if (skipInfo) {
+            return { db: db, info: {} };
+        }
         try {
             const info = await db.info();
             return { db: db, info: info };
@@ -1364,8 +1368,8 @@ export default class ObsidianLiveSyncPlugin extends Plugin
         // If `Read chunks online` is disabled, chunks should be transferred before here.
         // However, in some cases, chunks are after that. So, if missing chunks exist, we have to wait for them.
         if ((!this.settings.readChunksOnline) && "children" in doc) {
-            const c = await this.localDatabase.collectChunksWithCache(doc.children)
+            const c = await this.localDatabase.collectChunksWithCache(doc.children);
-            const missing = c.filter((e) => !e.chunk).map((e) => e.id);
+            const missing = c.filter((e) => e.chunk === false).map((e) => e.id);
             if (missing.length > 0) Logger(`${path} (${doc._id}, ${doc._rev}) Queued (waiting ${missing.length} items)`, LOG_LEVEL.VERBOSE);
             newQueue.missingChildren = missing;
             this.queuedFiles.push(newQueue);
@@ -1381,15 +1385,15 @@ export default class ObsidianLiveSyncPlugin extends Plugin
         const docsSorted = docs.sort((a, b) => b.mtime - a.mtime);
         L1:
         for (const change of docsSorted) {
+            if (isChunk(change._id)) {
+                await this.parseIncomingChunk(change);
+                continue;
+            }
             for (const proc of this.addOns) {
                 if (await proc.parseReplicationResultItem(change)) {
                     continue L1;
                 }
             }
-            if (isChunk(change._id)) {
-                await this.parseIncomingChunk(change);
-                continue;
-            }
             if (change._id == SYNCINFO_ID) {
                 continue;
             }
@@ -1488,19 +1492,20 @@ export default class ObsidianLiveSyncPlugin extends Plugin
                 }
                 return proc.substring(0, p);
             }
+
             const pendingTask = e.pending.length
-                ? "\nPending: " +
+                ? e.pending.length < 10 ? ("\nPending: " +
-                Object.entries(e.pending.reduce((p, c) => ({ ...p, [getProcKind(c)]: (p[getProcKind(c)] ?? 0) + 1 }), {} as { [key: string]: number }))
+                    Object.entries(e.pending.reduce((p, c) => ({ ...p, [getProcKind(c)]: (p[getProcKind(c)] ?? 0) + 1 }), {} as { [key: string]: number }))
-                    .map((e) => `${e[0]}${e[1] == 1 ? "" : `(${e[1]})`}`)
+                        .map((e) => `${e[0]}${e[1] == 1 ? "" : `(${e[1]})`}`)
-                    .join(", ")
+                        .join(", ")
-                : "";
+                ) : `\n Pending: ${e.pending.length}` : "";
 
             const runningTask = e.running.length
-                ? "\nRunning: " +
+                ? e.running.length < 10 ? ("\nRunning: " +
-                Object.entries(e.running.reduce((p, c) => ({ ...p, [getProcKind(c)]: (p[getProcKind(c)] ?? 0) + 1 }), {} as { [key: string]: number }))
+                    Object.entries(e.running.reduce((p, c) => ({ ...p, [getProcKind(c)]: (p[getProcKind(c)] ?? 0) + 1 }), {} as { [key: string]: number }))
-                    .map((e) => `${e[0]}${e[1] == 1 ? "" : `(${e[1]})`}`)
+                        .map((e) => `${e[0]}${e[1] == 1 ? "" : `(${e[1]})`}`)
-                    .join(", ")
+                        .join(", ")
-                : "";
+                ) : `\n Running: ${e.running.length}` : "";
             this.setStatusBarText(message + pendingTask + runningTask);
         })
     }
@@ -1663,25 +1668,23 @@ Or if you are sure know what had been happened, we can unlock the database from
 
         const runAll = async<T>(procedureName: string, objects: T[], callback: (arg: T) => Promise<void>) => {
             Logger(procedureName);
-            const semaphore = Semaphore(25);
             if (!this.localDatabase.isReady) throw Error("Database is not ready!");
-            const processes = objects.map(e => (async (v) => {
+            const para = Parallels();
-                const releaser = await semaphore.acquire(1, procedureName);
+            for (const v of objects) {
+                await para.wait(10);
+                para.add((async (v) => {
+                    try {
+                        await callback(v);
+                    } catch (ex) {
+                        Logger(`Error while ${procedureName}`, LOG_LEVEL.NOTICE);
+                        Logger(ex);
+                    }
+                })(v));
 
-                try {
-                    await callback(v);
-                } catch (ex) {
-                    Logger(`Error while ${procedureName}`, LOG_LEVEL.NOTICE);
-                    Logger(ex);
-                } finally {
-                    releaser();
-                }
             }
-            )(e));
+            await para.all();
-            await Promise.all(processes);
-
             Logger(`${procedureName} done.`);
-        };
+        }
 
         await runAll("UPDATE DATABASE", onlyInStorage, async (e) => {
             Logger(`UPDATE DATABASE ${e.path}`);

updates.md

@@ -27,5 +27,19 @@ I hope you will give it a try.
 - 0.19.3
   - Improved:
     - Now replication will be paced by collecting chunks. If synchronisation has been deadlocked, please enable `Do not pace synchronization` once.
+- 0.19.4
+  - Improved:
+    - Reduced remote database checking to improve speed and reduce bandwidth.
+  - Fixed:
+    - Chunks which previously misinterpreted are now interpreted correctly.
+      - No more missing chunks which not be found forever, except if it has been actually missing.
+    - Deleted file detection on hidden file synchronising now works fine.
+    - Now the Customisation sync is surely quiet while it has been disabled.
+- 0.19.5
+  - Fixed:
+    - Now hidden file synchronisation would not be hanged, even if so many files exist.
+  - Improved:
+    - Customisation sync works more smoothly.
+  - Note: Concurrent processing has been rollbacked into the original implementation. As a result, the total number of processes is no longer shown next to the hourglass icon. However, only the processes that are running concurrently are shown.
 
 ... To continue on to `updates_old.md`.