Merge branch 'main' into bt-task-fixes

.changeset/green-readers-burn.md

@@ -0,0 +1,13 @@
+---
+"@fluidframework/telemetry-utils": minor
+---
+---
+"section": legacy
+---
+
+MockLogger has been removed from the alpha+legacy API surface
+
+The `MockLogger` class previously exposed in the alpha+legacy API surface of `@fluidframework/telemetry-utils` has
+been removed.
+No replacement is provided, as this class was only intended for use in testing scenarios, and should be trivial to
+re-implement in any codebase that still uses it.

.changeset/nice-grapes-show.md

@@ -0,0 +1,45 @@
+---
+"@fluidframework/merge-tree": minor
+"@fluidframework/sequence": minor
+---
+---
+"section": legacy
+---
+
+Remove deprecated Merge-Tree and SharedString ISegment members
+
+The current ISegment interface over-exposes a number of properties which do not have an external use case, and any external usage could result in damage to the underlying merge-tree including data corruption.
+[In Fluid Framework release 2.12.0 these properties and associated types were deprecated.](https://github.com/microsoft/FluidFramework/blob/main/RELEASE_NOTES/2.12.0.md#merge-tree-and-sharedstring-isegment-deprecations-23323)
+
+The only use case that will continue to be supported is determining if a segment is removed. For this purpose we've added the free function `segmentIsRemoved(segment: ISegment): boolean`.
+
+For example, checking if a segment is not removed would change as follows:
+
+```diff
+- if(segment.removedSeq === undefined){
++ if(!segmentIsRemoved(segment)){
+```
+
+The following properties are removed from ISegment and its implementations:
+
+- clientId
+- index
+- localMovedSeq
+- localRefs
+- localRemovedSeq
+- localSeq
+- movedClientsIds
+- movedSeq
+- movedSeqs
+- ordinal
+- removedClientIds
+- removedSeq
+- seq
+- wasMovedOnInsert
+
+Additionally, the following types are also removed:
+
+- IMergeNodeCommon
+- IMoveInfo
+- IRemovalInfo
+- LocalReferenceCollection

.changeset/quiet-days-carry.md

@@ -0,0 +1,12 @@
+---
+"@fluidframework/container-runtime": minor
+---
+---
+"section": legacy
+---
+
+Grouped batching is enabled by default and cannot be disabled
+
+The Grouped Batching feature in the container runtime has stabilized and is now enabled by default.
+
+The `IContainerRuntimeOptions.enableGroupedBatching` option, which allowed an application to disable grouped batching, has been removed. Grouped Batching is now considered a core part of the container runtime, and as such can no longer be disabled.

.changeset/shy-socks-rule.md

@@ -0,0 +1,16 @@
+---
+"@fluid-experimental/property-changeset": patch
+---
+---
+"section": fix
+---
+
+Fix 'Error: PR-008: Trying to remove a non-existing entry' error in IndexedCollection class
+
+The IndexedCollection class would throw the following error when applying a changeset:
+
+```
+Error: PR-008: Trying to remove a non-existing entry:
+```
+
+The underlying problem has been fixed and this error should no longer occur.

.github/ISSUE_TEMPLATE/breaking_change.md

@@ -0,0 +1,33 @@
+---
+name: Breaking Change
+about: Track plans for a breaking change
+title: "Removal of ? in v#.#"
+labels: "breaking change"
+assignees: ""
+---
+
+## Broken API or pattern
+
+<!-- Name the APIs involved specifically, etc. Examples: `IContainerRuntimeOptions.flushMode` or Calling `AzureClient.createContainer` with compatibilityMode set to "1". -->
+
+**Preparation References**
+
+<!-- A URL to the deprecation release notes. Alternatively, describe actions required where broken API or pattern is in use. Release notes can be found browsing https://github.com/microsoft/FluidFramework/releases. Example: [Deprecation notes](https://github.com/microsoft/FluidFramework/releases/tag/client_v2.12.0#user-content-summarizerstopreason-isummarizeeventprops-and-isummarizerevents-are-now-deprecated-23217) -->
+
+**Packages**
+
+<!-- A simple list of impacted packages -->
+
+**Expected Timeline**
+
+<!-- When you expect this API/pattern will be fully removed/unsupported. If possible, give a release version. -->
+
+**Reminders**
+
+<!-- Reminder: Assign this issue to somebody (see below), if you are unsure who, assign it to yourself. -->
+
+<!-- After creating associate a PR: link a PR from test/... branch in this repo (not in a fork). -->
+
+<!-- By filing an Issue, you are expected to comply with the Code of Conduct: https://github.com/microsoft/FluidFramework/blob/main/CODE_OF_CONDUCT.md -->
+
+<!-- Lastly, be sure to preview your issue before saving, then remove this reminders section. Thanks! -->

.vscode/settings.json

@@ -41,13 +41,16 @@
 		"fluidframework",
 		"handlecache",
 		"handletable",
+		"incrementality",
 		"injective",
+		"insertable",
 		"losslessly",
 		"mitigations",
 		"mocharc",
 		"multinomial",
 		"nonfinite",
 		"pseudorandomly",
+		"reconnections",
 		"Routerlicious",
 		"runtimes",
 		"snapshotlegacy",