version:8.8.0-alpha2

Enhancements

Allow task listener to provide reason to deny: changes to Protocol (REST and gRPC) (#27271)
Prefix migration application (#27079)
[Optimize] Support ad-hoc subprocesses (#25639)
Migrate existing Tasklist v1 API to the harmonized index schema (#24665)
[CPT] Assert that a process instance completed an element a given number of times (#23189)
[CPT] Assert that a process instance is started (#23187)

Tasklist OS importer logs "missing exporter index" as warning (#28591)
NettyDnsMetrics is not safe under concurrent access (#28556)
User key is set to -1 on user update (#28404)
Spring boot starter camunda SDK: Variable with value null causes exception (#28116)
Camunda exporter schema manager not updating index template settings (#28111)
MessagingMetricsImpl is not thread-safe (#28109)
Tasklist importer fails to start with 8.8.0-alpha1 version (#27854)
Excessive Variable Outliers API Calls Causing Elasticsearch Overload in Task Analysis Page (#27844)
Operate cannot renew an OIDC access token when the refresh token is not a JWT (#27710)
Incorporate Spring Zeebe bug fixes in Spring SDK (#27502)
Optimize is not showing current user name in Profile in a Self-Managed setup with a custom IDP (#27379)
Message correlation on a non-interrupting message event is not idempotent (#26926)
Unable to import a report in Optmize (#26353)
TreePath needs to be updated after PI modification/migration (#26094)
Non-Prometheus Micrometer implementations only expose few C8 metrics (#26078)
Camunda Exporter is not able to consume treePath (#26048)
Importer(s) are not communicating import done correctly (#26046)

Unify CODEOWNERS files (#28655)
Auto-assign API reviewers to OpenAPI spec changes (#28384)
Validate exporter root IT whether they are duplicate of client package tests (#28163)
Merge archiver configuration with retention configuration (#26492)
[Doc Handling] Local file system document store implementation (#24846)
io.zeebe.broker.it.job.ActivateJobsTest.shouldActivateJobsOnPartitionsRoundRobin is flaky (#2287)

Merge CODEOWNERS files (#28656)
Create a stateful registry that is tied to the ZeebeDB instance lifecycle (#28072)
migrate ActorMetrics to micrometer (#28028)
Migrate snapshot metrics to micrometer (#28027)
Provide per-partition startup and transition/role meter registries (#28026)
Merge archiver and retention config (#27674)