Add 2026 to the page on deprecations, changes, and removals (neo4j#2835)

Update the _Changes, deprecations, removals_ page
Add missing label [Introduced in ...] to the Cypher shell

Author: NataliaIvakina

modules/ROOT/content-nav.adoc

@@ -281,6 +281,7 @@
 
 * Changes, deprecations, and removals
 ** xref:changes-deprecations-removals.adoc[Neo4j 2025.x]
+** xref:changes-deprecations-removals-2026.adoc[Neo4j 2026.x]
 
 * xref:tutorial/index.adoc[]
 //** xref:tutorial/local-causal-cluster.adoc[]

modules/ROOT/pages/changes-deprecations-removals-2026.adoc

@@ -0,0 +1,21 @@
+:description: Page lists changes in Neo4j 2026 series. Here you can find changes made to procedures, configurations settings, metrics, and `neo4j-admin` commands.
+
+//Check Mark
+:check-mark: icon:check[]
+
+
+[[removals-deprecations-2026]]
+= Changes, deprecations, and removals in Neo4j 2026.x
+
+
+== Changes in Neo4j 2026.x
+
+The section covers changes to Neo4j server functionality across different areas.
+
+=== Cypher Shell
+
+For details, refer to xref:cypher-shell.adoc[].
+
+Neo4j 2026.01::
+
+A new parameter `--debug` is added as an alias for the `--log` option.

modules/ROOT/pages/changes-deprecations-removals.adoc

@@ -613,6 +613,14 @@ The section covers changes to Neo4j server functionality across different areas.
 
 === Neo4j-admin tool
 
+Neo4j 2025.12::
+
+* The `neo4j-admin database import full` and `neo4j-admin database import incremental` (label:enterprise[Enterprise Edition]) commands.
++
+The default value of the `--bad-tolerance=<num>` option is changed from `1000` to `-1`, meaning unlimited.
++
+For details, see xref:import.adoc[].
+
 Neo4j 2025.10::
 
 * label:enterprise[Enterprise Edition] The `neo4j-admin database backup` command.
@@ -637,14 +645,16 @@ For details, refer to the xref:backup-restore/copy-database.adoc#off-heap-memory
 
 === Cypher Shell
 
+For details, refer to xref:cypher-shell.adoc[].
+
 Neo4j 2025.08::
 
 A new argument `disable` is added to the `--history` option.
 
 Neo4j 2025.06::
 
 The default value of the `--error-format` option is changed from `legacy` to `gql`.
-For details, refer to xref:cypher-shell.adoc[].
+
 
 === Configuration settings
 

modules/ROOT/pages/cypher-shell.adoc

@@ -127,7 +127,7 @@ Can also be set using the environment variable `NEO4J_CYPHER_SHELL_HISTORY`.
 |gql label:new[Changed in 2025.06]
 
 |--transaction-timeout TRANSACTION-TIMEOUT
-|Transaction timeout. You can specify the duration using the format `<hours>h<minutes>m<seconds>s`, for example `1h` (1 hour), `1h30m` (1 hour 30 minutes), or `30m` (30 minutes).
+|label:new[Introduced in 2025.12] Transaction timeout. You can specify the duration using the format `<hours>h<minutes>m<seconds>s`, for example `1h` (1 hour), `1h30m` (1 hour 30 minutes), or `30m` (30 minutes).
 |disable
 |===
 
@@ -573,8 +573,9 @@ ready to start consuming query after 1 ms, results consumed after another 1 ms
 ----
 ====
 
+[role=label--new-2025.12]
 [[cypher-shell-transaction-timeout]]
-== Transaction Timeout
+== Transaction timeout
 
 You can start Cypher Shell with a specific transaction timeout, which will apply to all transactions during the session.