github.com/yorkie-team/yorkie

Added

• Port the JS SDK's undo/redo history layer to the Go SDK by @hackerwins in #1932

Changed

• Read project stats from daily HLL materialized views by @hackerwins in #1939

Fixed

• Count a removed container's descendants in the GC total by @hackerwins in #1934

Full Changelog: v0.7.16...v0.7.17

Added

• Port the JS SDK's undo/redo history layer to the Go SDK by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1932

Changed

• Read project stats from daily HLL materialized views by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1939

Fixed

• Count a removed container's descendants in the GC total by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1934

Fixed

• Keep a document loadable when two tree nodes share one ID by @hackerwins in #1927
• Stamp merge-bound inserts and filter style-range interlopers by @Nahee-Park in #1928
• Stop ordinary editing from putting two nodes under one ID by @hackerwins in #1929

Full Changelog: v0.7.15...v0.7.16

Fixed

• Keep a document loadable when two tree nodes share one ID by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1927
• Stamp merge-bound inserts and filter style-range interlopers by @Nahee-Park in https://github.com/yorkie-team/yorkie/pull/1928
• Stop ordinary editing from putting two nodes under one ID by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1929

Changed

• Speed up GetProjectStats with approximate, concurrent reads by @raararaara in #1925
• Validate Checkpoint in ChangePack for PushPull API requests by @YBSeok in #1910

Fixed

• Isolate spans in Tree restore so overlapping undo converges by @harrykim8672 in #1924
• Add fuzz coverage for tree and snapshot decoding by @lemon0333 in #1920

Full Changelog: v0.7.14...v0.7.15

Changed

• Speed up GetProjectStats with approximate, concurrent reads by @raararaara in https://github.com/yorkie-team/yorkie/pull/1925
• Validate Checkpoint in ChangePack for PushPull API requests by @YBSeok in https://github.com/yorkie-team/yorkie/pull/1910

Fixed

• Isolate spans in Tree restore so overlapping undo converges by @harrykim8672 in https://github.com/yorkie-team/yorkie/pull/1924
• Add fuzz coverage for tree and snapshot decoding by @lemon0333 in https://github.com/yorkie-team/yorkie/pull/1920

Added

• Identity-preserving restore for Tree undo/redo by @harrykim8672 in #1893
• Add an Admin REST API for broadcasting channel events by @lshtar13 in #1895

Changed

• Add HTTP server timeouts to prevent Slowloris attacks by @nasagong in #1902

Fixed

• Recreate purged text runs in order on restore, not reversed by @harrykim8672 in #1913
• Keep style ranges from crossing a concurrent merge anchor by @Nahee-Park in #1909
• Flatten chained merge to converge an anchored concurrent insert by @hackerwins in #1906
• Move tombstones with merge to preserve tree RGA anchors by @hackerwins in #1905

Full Changelog: v0.7.13...v0.7.14

Added

• Identity-preserving restore for Tree undo/redo by @harrykim8672 in https://github.com/yorkie-team/yorkie/pull/1893
• Add an Admin REST API for broadcasting channel events by @lshtar13 in https://github.com/yorkie-team/yorkie/pull/1895

Changed

• Add HTTP server timeouts to prevent Slowloris attacks by @nasagong in https://github.com/yorkie-team/yorkie/pull/1902

Fixed

• Recreate purged text runs in order on restore, not reversed by @harrykim8672 in https://github.com/yorkie-team/yorkie/pull/1913
• Keep style ranges from crossing a concurrent merge anchor by @Nahee-Park in https://github.com/yorkie-team/yorkie/pull/1909
• Flatten chained merge to converge an anchored concurrent insert by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1906
• Move tombstones with merge to preserve tree RGA anchors by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1905

Added

• Identity-preserving restore for Text undo/redo (server + wire) by @harrykim8672 in https://github.com/yorkie-team/yorkie/pull/1875

Changed

• Unify client presence event delivery into a single ordered path by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1852
• Parallelize per-candidate Deactivate within a cycle by @raararaara in https://github.com/yorkie-team/yorkie/pull/1849
• Expose housekeeping flags in yorkie-cluster chart by @raararaara in https://github.com/yorkie-team/yorkie/pull/1850
• Migrate to sync.WaitGroup.Go for goroutine spawning by @mr8356 in https://github.com/yorkie-team/yorkie/pull/1881

Fixed

• Prevent panic when splitLevel walks past the tree root by @ggyuchive in https://github.com/yorkie-team/yorkie/pull/1866
• Register GC pairs for pieces split off tombstoned nodes by @harrykim8672 in https://github.com/yorkie-team/yorkie/pull/1874
• Set updated_at on project creation by @lemon0333 in https://github.com/yorkie-team/yorkie/pull/1879

Added

• Add disable_presence Document option for presence-free docs by @raararaara in https://github.com/yorkie-team/yorkie/pull/1841

Fixed

• Self-prune leaked Subscription via consecutive Publish failures by @raararaara in https://github.com/yorkie-team/yorkie/pull/1833

Added

• Add per-project ChannelSessionTTL with admin override by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1827

Changed

• Introduce treelist to optimize random access in Array by @ggyuchive in https://github.com/yorkie-team/yorkie/pull/1685

Fixed

• Fix close-of-closed-channel and nil deref panics in test/bench by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1825
• Stop disable_gc clients from accumulating per-Change VV and lamport drift by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1826

Added

• Support wildcard patterns in Project.AllowedOrigins by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1810
• Add disable_gc opt-out for GC-free attach workloads by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1822

Changed

• Log session-not-found events at info level by @raararaara in https://github.com/yorkie-team/yorkie/pull/1814
• Cache project stats counts to keep GetProjectStats fast at scale by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1819
• Avoid getMore by sizing cursor batch to query limit by @raararaara in https://github.com/yorkie-team/yorkie/pull/1821

Fixed

• Fix flaky leadership revocation and LRU hit-rate tests by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1820

Added

• Channel RPC consolidation + PeekChannel by @JOOHOJANG in https://github.com/yorkie-team/yorkie/pull/1805

Fixed

• Skip leadership write when active leader exists by @raararaara in https://github.com/yorkie-team/yorkie/pull/1804

Changed

• Reduce lock contention in channel manager for high-concurrency skew by @raararaara in https://github.com/yorkie-team/yorkie/pull/1786
• Replace single LRU with sharded LRU to reduce lock contention by @raararaara in https://github.com/yorkie-team/yorkie/pull/1783

Added

• Support IntegerDedupCnt in YSON serialization with HLL round-trip by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1774

Changed

• Simplify Tree.Edit with typed options and extracted helper by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1777

Fixed

• Fix splitLevel>=2 concurrent convergence (Fixes 13-18) by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1776
• Fix SplitElement computing VisibleLength with removed children by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1772

Added

• Add shared secret authentication for ClusterService by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1770
• Add mongodb-exporter to yorkie-monitoring chart by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1758

Changed

• Unify presence event emission with ReconcilePresence by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1766
• Garbage collect before building snapshot response by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1765
• Copy attributes to split node in TreeNode.SplitElement by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1759
• Upgrade golangci-lint to v2.11.4 by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1769
• Remove simple t.Skip calls by fixing root causes by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1760
• Remove t.Skip in Update doc size test by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1764

Fixed

• Fix Array.MoveAfter convergence with LWW position register by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1762
• Register LWW-losing element in gcElementPairMap on Set conflict by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1761

Added

• Add Counter dedup mode with HyperLogLog for UV measurement by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1733
• Add podAnnotations support to Helm deployment template by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1746

Changed

• Simplify Counter interface with type inference by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1738
• Remove hardcoded healthcheck-port from Ingress template by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1739
• Remove deprecated yorkie-argocd Helm chart by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1748
• Replace n8n webhook with inline CI result reporting by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1749

Fixed

• Discard stale-epoch changes in pushPack before cache insertion by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1742
• Acquire DocPushKey lock before epoch check in pushPack by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1745

Fixed

• Fix tree style divergence on concurrent split via End-token guard by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1731
• Fix tree divergence across snapshot by persisting MergedFrom by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1729
• Fix tree divergence on concurrent split inside merge range by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1727
• Fix split + delete divergence by skipping merge for concurrent elements by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1725
• Fix multi-level split + merge divergence via mergedFrom by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1724
• Fix split sibling convergence via position forwarding by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1723
• Fix convergence bugs in concurrent tree merge/split by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1722

Added

• Add StyleByPath and RemoveStyleByPath for Tree by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1717
• Add document epoch for compaction-aware client recovery by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1714
• Add ALB health check config for Istio gateway by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1710

Changed

• Migrate Istio installation from IstioOperator to Helm charts by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1709

Fixed

• Fix Helm chart default values for Percona MongoDB by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1708

Added

• Add zstd snapshot compression and external body storage to prevent 16MB overflow by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1704
• Add CompactDocumentByAdmin RPC to AdminService by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1702

Fixed

• Fix ElementRHT.Set() producing duplicate keys on timestamp reversal by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1701

Added

• Add tree-level schema support by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1691
• Add 2026 roadmap for Yorkie v0.7

Added

• Add undo/redo design document for CRDT operations by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1686

Fixed

• Fix flaky TestBatchExpiration by removing racy per-batch assertions by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1688

Added

• Add attributes_to_remove support to Operation.Style for text undo/redo by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1678

Changed

• Optimize FindCompactionCandidates query with compound index by @raararaara in https://github.com/yorkie-team/yorkie/pull/1677

Fixed

• Fix inverted revision sort order in memory database by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1676
• Fix empty documentSize in GetDocument response by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1687

Added

• Add cluster RPC and client timeout configurations by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1665
• Add max concurrent cluster RPCs configuration by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1667
• Add connection pool size configuration for cluster client by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1669

Changed

• Deduplicate k6 test code and update k6/README.md by @ggyuchive in https://github.com/yorkie-team/yorkie/pull/1663
• Extract shared generic abstractions for pubsub and stream handling by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1664
• Replace WatchDocument and WatchChannel with unified Watch RPC by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1666
• Refactor logging to use shared core for named loggers by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1672
• Rename DisableWebhookValidation to EnableWebhookValidation by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1673
• Enhance configuration tests and refactor backend config initialization by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1674

Added

• Add MCP server for AI-assisted document migration by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1659
• Add active clients metric to project stats by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1660

Changed

• Refactor channel terminology from presence to session by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1655

Fixed

• Fix channel session configuration flags by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1661

Changed

• Refine shard key routing logic in Envoy Lua filter by @raararaara in https://github.com/yorkie-team/yorkie/pull/1649
• Enable h2c support for cluster communication by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1651
• Introduces ShardedPathTrie for channel manager by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1652
• Add channel session count caching in GetChannels API by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1653

Fixed

• Add webhook URL validation to prevent SSRF attacks by @kokodak in https://github.com/yorkie-team/yorkie/pull/1650

Added

• Introduce lock-free PathTrie for channel and path indexing by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1644

Fixed

• Update locking and lifecycle design docs to reflect recent changes by @raararaara in https://github.com/yorkie-team/yorkie/pull/1625
• Index attaching documents to avoid dynamic field scans by @raararaara in https://github.com/yorkie-team/yorkie/pull/1645

Added

• Batch cluster.GetChannels to reduce cluster RPC calls by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1636

Changed

• Bump yorkie-monitoring version to 0.6.43 by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1637
• Bump yorkie-analytics version to 0.6.43 by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1638

Fixed

• Remove index name from unique constraint to follow conventions by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1634
• Handle invite error for owner accepting invites by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1635
• Fix SplayTree Find semantics for CRDT Array by @ggyuchive in https://github.com/yorkie-team/yorkie/pull/1639

Added

• Enhance project caching with secret key support by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1621
• Add ClusterServiceInterceptor for internal traffic metrics by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1624
• Add call path tracing to MongoDB slow query monitoring by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1623
• Add project member management functionality by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1616
• Add role-based authorization to project management by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1628

Changed

• Fix to use b.Loop() in benchmark test introduced in Go 1.24 by @ggyuchive in https://github.com/yorkie-team/yorkie/pull/1627
• Enforce globally unique project names by @kokodak in https://github.com/yorkie-team/yorkie/pull/1629
• Remove non-expiring option for project invite tokens by @kokodak in https://github.com/yorkie-team/yorkie/pull/1630

Fixed

• Restore ingress-shard-key-header-filter EnvoyFilter by @raararaara in https://github.com/yorkie-team/yorkie/pull/1620
• Handle stuck attaching documents during deactivate/detach by @raararaara in https://github.com/yorkie-team/yorkie/pull/1622

Added

• Improve Project Caching and Invalidation Consistency by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1600
• Add ListChannels to AdminService and ClusterService by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1602
• Enhance statistics with active documents and channel count by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1610

Changed

• Enable MongoDB by Default and Update Installation Guide by @krapie in https://github.com/yorkie-team/yorkie/pull/1601
• Refactor channel metrics to be project-aware by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1603

Fixed

• Prevent empty API key routing and disable default tenant in cluster by @raararaara in https://github.com/yorkie-team/yorkie/pull/1586
• Allow bitnami legacy images explicitly in yorkie-analytics by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1609

Added

• Introduce GetRevision RPC and fix revision restore by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1595

Changed

• Replace Bitnami MongoDB chart with Percona Operator by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1594
• Bump up Go to 1.24 by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1593

Fixed

• Add missing document locks to RestoreRevision APIs by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1598
• Implement reset functions for channel metrics by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1597
• Change queryCount to use sql.NullInt64 for count handling by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1591

Added

• Collect active channel and session metrics by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1588

Changed

• Refactor revision handling by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1587
• Update revision creation with YSON format by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1584

Added

• Add document revision management by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1582
• Add channel metrics and heap-based top-N session tracking by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1569

Changed

• Update Kafka and MongoDB to use legacy Bitnami by @hackerwins
• Update Docker Compose configuration for Yorkie Analytics by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1576

Changed

• Update clients shard key and indexing by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1548

Added

• Introduce hierarchical channel keys by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1559
• Use FirstKeyPath for shard key in channel methods by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1566

Fixed

• Fix nil pointer dereference in LLRB Floor function by @ggyuchive in https://github.com/yorkie-team/yorkie/pull/1561

Added

• Add InvalidateCache RPC for cluster-wide cache invalidation by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1553

Changed

• Move project cache to DB layer by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1552
• Move Broadcast from Document to Presence by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1556
• Rename Presence to Channel by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1557

Fixed

• Fix incorrect condition placement in deployment.yaml by @raararaara in https://github.com/yorkie-team/yorkie/pull/1551

Added

• Enhance presence with manual and realtime sync by @hackerwins in https://github.com/yorkie-team/yorkie/pull/1546

Fixed

• Fix removedAt timestamp handling in concurrent tree deletions by @emplam27 in https://github.com/yorkie-team/yorkie/pull/1538
• Fix missing Tombstone nodes during ElementRHT encoding by @raararaara in https://github.com/yorkie-team/yorkie/pull/1547