# OnPrem Release Notes

{% updates format="full" %}
{% update date="2026-05-01" %}

## 2026.05.01-1-rc1

frontend: `sha256:2cc77260aa8723914194bfcde8c36dc8d9b0365b356570852e5149686136856a`

mergeit: `sha256:ab0efea4199d2fd5eea66b7ecdd4ec0e2c8ae7c0b2b77baadf01978b5a18aea9`

**MergeQueue**

* When `reuse_draft_pr_on_failure` is `false`, close dependent draft PRs on failure and re-queue the underlying PRs from scratch instead of recreating draft PRs. [Read the docs](https://docs.aviator.co/mergequeue/reference/complete-reference-guide#parallel-mode).
* Queue page now handles API timeouts gracefully

**Runbooks**

* Pause auto CI rework when a non-Aviator user pushes to a runbook PR, so manual edits aren't overwritten on the next CI run
  {% endupdate %}

{% update date="2026-04-29" %}

## 2026.04.29-3-rc1

frontend: `sha256:fdbea206c55d89aedd2cba86de4d3ef545ecea1845b9351e7242ea6fa1b15386`

mergeit: `sha256:3e1eba6356ed95a50748c9bfe19cf8e0925bdb13307475f6c75f279e5051d648`

**MergeQueue**

* Stop booting queued PRs on transient REVIEW\_REQUIRED after bot push
* Reject stack queue when an ancestor was already queued individually
* Fix parallel-mode stack-close bug and stale cancel-flow comment
* Fire merged webhook for stacked PR ancestors
* Fix race that mislabels emergency merges as merged manually
* Strip queue label when adding blocked label
* Stricter detection of invalid queue state
* Reverse stack comment order and append target branch for readability
* Comment on reset draft PRs explaining the upstream eject
* New `av-ignore-stack` label to exclude PRs from stacks
* Add `applies_to` to `apply_title_regexes`; deprecates `RegexConfig`
* Dequeue button added to queue page and pulls page
* Preserve bot PR tab on pulls page after merge
* Lazy-load affected targets on queue page, scoped to the active batch
* Significant queue-processing performance improvements
* REST API: include bot\_pull\_request in pull\_request payload; add timestamps

**Runbooks**

* Replies on runbook annotations
* Dedupe session owner from runbook collaborators
* Improved chat reliability and UX: unread indicators on chat tabs, channel-correct subscriptions and graphql-ws hardening, ephemeral status split per channel

**FlexReview**

* Serialize `/aviator flexreview assign` with the FR teams lock to avoid concurrent assignment races

**Releases**

* Skip deployment and release-cut lookups on accounts that don't use Releases

**Admin**

* SCIM user provisioning: core infrastructure, REST API endpoints, management UI, and GraphQL/frontend integration
* Allow inviting existing users on SSO-only accounts
  {% endupdate %}

{% update date="2026-04-16" %}

## 2026.04.16-3-rc1

frontend: `sha256:1bf458a6c89322db3e3b38d48eba8efab4056e06883302d349ee6cd300dbc8e6`

mergeit: `sha256:b4280e27aa5c0dc86785e98c7c8c6df83e93da76bda1ef723e7f300cc44f4a5a`

**MergeQueue**

* Preserve Co-authored-by trailers in squash commits
* Expanded PR activity timeline: blocked reasons, merge method, and draft PR closure events
* Added `/aviator validate-config` slash command to check config file validity on a PR
* Fix circular dependencies in affected targets mode on skip-line reset
* Correctly trigger queue actions for PRs with large affected targets

**Runbooks**

* Refreshed session page with unified topbar, two-mode chat/sidebar layout, and tab-specific actions
* Runbook config settings moved into a modal
* Spec uploads now generally available
* Faster Slack oneshot acknowledgement so users see confirmation before the worker picks up the task

**FlexReview**

* Remove CODEOWNERS warning block from the sticky comment (info already shown in team assignment details)
  {% endupdate %}

{% update date="2026-04-10" %}

## 2026.04.10-2-rc2

frontend: `sha256:53e324de980504221b77c0fcf88da5f690a31a9ab250714c1e5fa6ca82bb0706`

mergeit: `sha256:7d2e87d69461180daa088712cebea8c791370e648d9ee61c4353eb3cfbe911b0`

**MergeQueue**

* Reject stale stacks at queue entry to prevent un-merging already-merged ancestor PRs
  {% endupdate %}

{% update date="2026-04-10" %}

## 2026.04.10-1-rc1

frontend: `sha256:26370a0de37eed071dcb26f28fa259434808f3df8e9f80b98173a91ee7d9f618`

mergeit: `sha256:47473db0f41b2eb9c13e15b014fd96dd14f279738d8136a8f6cce66b9476de77`

**Inbox**

* Launching Inbox: a unified view of PRs that need your attention, replacing the attention set

**MergeQueue**

* Respect `enable_comments: false` in repo config
* Fix circular dependency handling in affected targets mode on dequeue/failure
* Fix dangling stacked PRs bug
* REST API: fix unhandled error when posting bot PRs
* Refreshed queue page design

**Runbooks**

* Skip CI Rework for PRs created from external Runbook executions
* Improved runbook artifact generation prompts for spec-driven workflows
* Fix oneshot flag parsing in Slack slash command

**FlexReview**

* Support overriding the team used for reviewer assignment
* Fix GitHub team syncing

**Releases**

* Fix semver version generation in release cuts
* Refreshed release page design
  {% endupdate %}

{% update date="2026-04-08" %}

## 2026.04.08-1-rc1

frontend: `sha256:abadb355418f1b0919e7f1fa3c17796c5bed3c7c051b9624f5873e935c2ba2e9`

mergeit: `sha256:7f3be149c9f1840c2a416c98b6f993c07ec55ef5243084aaa3be296a1b3491c6`

**MergeQueue**

* Allow emergency merge while queue is paused
* REST API: add refresh, sync, skip-line, and skip-validation endpoints
* Speed up queue processing by splitting up GitHub fetch loop
* Fix queued PRs getting stuck when CI retries masked earlier failures
* Fix stale merged\_at overwrite on stack ancestor PRs
* Ignore bot user commits on tagged/queued PRs in parallel mode

**Runbooks**

* Artifact pipeline for structured scope and criteria generation
* Repo-scoped SSH sandbox support

**FlexReview**

* Fix race condition in reviewer assignment notifications
  {% endupdate %}

{% update date="2026-03-26" %}

## 2026.03.26-1-rc1

frontend: `sha256:3fa73982e9c6377163b2ce113c59304cb7e1dc409e46870370d037fee65aef15`

mergeit: `sha256:835b97b89a32d11f50fc5a4fc012adcaf19d0329ca39056422616758d0cff0a8`

**MergeQueue**

* Remove all transitive dependencies when dequeueing a PR

**FlexReview**

* Improved workload balancing for reviewer assignment
* Log burnout scores for assigned reviewers
  {% endupdate %}

{% update date="2026-03-24" %}

## 2026.03.24-1-rc2

frontend: `sha256:6a397b57422cd757d1902cc5b34fdef9b4f27f00259d68ce59fa56551d968147`

mergeit: `sha256:3e852b0d6f9995fad9a88fb4a375af6741103f0b8f287ebd0f72bb6455a066e8`

**FlexReview**

* Fix notification timing and assignment guard rail behavior for draft PRs
  {% endupdate %}

{% update date="2026-03-23" %}

## 2026.03.23-1-rc1

frontend: `sha256:e3992f2050b931cec346fd8164d59e1f7f6910545632c154a3e9604e65d4db08`

mergeit: `sha256:6728197a0a4b29963ed95d79c9fd8bcb9cbc0ef9cf3a952b564d16a445fa62cc`

**MergeQueue**

* Fix re-queue loop when bot PR CI times out in parallel mode
* Fix parallel mode for forked repo PRs
* Deduplicate blocked PR Slack notifications
* Fix queue processing delays caused by tasks waiting on repo lock
* More graceful handling of GitHub API errors

**Runbooks**

* Fix git clone auth for repos with private submodules
  {% endupdate %}

{% update date="2026-03-18" %}

## 2026.03.18-4-rc1

frontend: `sha256:20b9a7f478770a3bd715c02f553b20ffcf32e2ca556ed3ca5738bac1f2ae6959`

mergeit: `sha256:134658cae49e3dccd47fd34ef3f5b6dbc72afdcc4e759dcf2c24b8111543aa5b`

{% hint style="info" %}
There is a \~10% increase in memory footprint with this release.
{% endhint %}

**MergeQueue**

* Proactive dequeueing of failing non-top PRs, gated by per-repo config. [Docs](https://docs.aviator.co/mergequeue/how-to-guides/proactive-dequeue)
* Skip-line allowlist to restrict who can skip the queue. [Docs](https://docs.aviator.co/mergequeue/reference/complete-reference-guide#other)
* Fix race condition in full queue reset operations
* Fix circular dependency between bot PRs in affected targets mode

**Runbooks**

* Trigger runbook reviews on existing non-runbook PRs
* Fix template mode
* Improve Slack oneshot unicode behavior
* Bypass GitHub auth requirement for API created sessions
* Improved sandbox performance by skipping redundant file operations on reconnection
* Add retry logic and token redaction to git clone along with improved logging
* UI improvements: collapsible long chat messages, branch copy-on-click, improved title editing, session origin in hover card, content panel scroll fix, activity log expansion fix

**FlexReview**

* Fix CODEOWNERS coverage race condition and FYI-only team display in sticky comment
* Skip webhook processing when FlexReview is not active for the repo
* Fix lock convoy from repeated webhook bursts

**Misc**

* Support for multiple API tokens with names and expiration, and separate webhook signing secret management (backward compatible)
  {% endupdate %}

{% update date="2026-03-12" %}

## 2026.03.12-3-rc1

frontend: `sha256:7e410899e24eb9878198162c9d6bdd1f1b6d9f3fcf278584614b663b8ad49712`

mergeit: `sha256:35e953d776856190797c62e73816b8338d03f4cd9c9010d50de2a648950120fb`

**MergeQueue**

* Track and recover from GitHub token authentication failures automatically

**Runbooks**

* Support uploading .txt and .md spec files from the Runbooks page
* Add API as a source in the Runbooks admin dashboard

**Releases**

* Fix non-released PRs filter incorrectly showing all historical PRs
  {% endupdate %}

{% update date="2026-03-11" %}

## 2026.03.11-1-rc1

frontend: `sha256:b0f9c06a204f3ffb5b5a91b73b385e7a64f212ae79fa3c6c3f4269615f79ef68`

mergeit: `sha256:a54f10902ae4701a8ecf12de9ff6001987b2ba60e69836951e25f9c2a2b73b0e`

**MergeQueue**

* Fix queue getting stuck on SHA mismatch during stacked PR processing
* Fix dedup logic for concurrent cancelled GitHub jobs

**Runbooks**

* Failed steps now show "Retry" instead of "Execute Next" to prevent accidentally skipping past failures
* Fix agent accidentally editing source files instead of using the revision workflow
* UI improvements: hover cards, combined details/PR tabs, content panel loading

**FlexReview**

* Fix CODEOWNERS gapfill over-counting when multiple files share the same team

**Releases**

* Improved sync performance for non-released PRs
  {% endupdate %}

{% update date="2026-03-04" %}

## 2026.03.04-2-rc2

frontend: `sha256:2196fbcea46b5d2800e3fcf72da76ebd83eb86cdbe2e0c93a5df6937c58088e5`

mergeit: `sha256:d2e722caf994c2ce6564bf3f18570f33aff046fc3b28bc5b566f6a37c33bad28`

**MergeQueue**

* Clear out all dependent PRs during dequeue

**Runbooks**

* Better error handling
* Trigger Runbooks from Linear
* Trigger Runbooks via API. [Read docs](https://docs.aviator.co/runbooks/api-reference).
  {% endupdate %}

{% update date="2026-03-03" %}

## 2026.03.03-2-rc1

frontend: `sha256:d50ed9988ec46f293082f53b1c638003f664cbe6074879c3a70db6401d037ecb`

mergeit: `sha256:356e2acdceef32ad6376252c65f92e6999856162de72663fd580c37192ac7dce`

**AttentionSet**

* Improved time tooltips and text selection

**MergeQueue**

* Break out of rare infinite loop situation in stacked PR handling
* Pull request timeline events for labeling of a PR will now show as "Submitted to queue"
* Re-fetch data from GitHub when we have SHA mismatch during bot PR creation
* Additional logging for CI failures
* Improved queue page UI for stacked PRs that are already part of a batch

**Runbooks**

* Improved PR revision handling of comments left on blocks outside of direct PR lines

**FlexReview**

* Too many assignments guard rail improvements, sticky comments should no longer disappear, and Slack messages should not go out
  {% endupdate %}

{% update date="2026-02-24" %}

## 2026.02.24-2-rc1

frontend: `sha256:8bf36b0c85c71d1397273de9422b83950215448d9a6643e31287938d4039fedd`

mergeit: `sha256:786bd7cd5321e7f533d0fceb3c312a73db514bc8525ab87c7e8cf67db38ca0cf`

**MergeQueue**

* Better failure handling in partially tagged stacked PRs
* Track who queued and dequeued PR in PR details page
* Hide basic config editor for advanced users
* Optimize DB queries for affected targets (now tested with 350K targets)
* Fix bug with not using latest master in stacked PRs
* Increase the page count for collaborators list call

**Runbooks**

* Major improvement in user interactions with the agents
* Allow revising PRs directly from chat
* Improved UI in chat
* Fix bugs with step status change propagation to child steps
* Remove branch dropdown button
* Add org name back in repository dropdown
* Separate claude sessions for step execution, and shared for main chat
* Pre-execution script now only runs once per sandbox
* Add real-time chat processing indicator

**Releases**

* Set stuck statuses as error after 60 mins
* Add Rollback and list-deployment APIs. [Read docs](https://docs.aviator.co/releases-beta/api-reference).

**FlexReview**

* Show internal/external review selection method in GitHub sticky comment if team has separate internal/external assignment methods

**Misc**

* Remove github.com hard-coded urls everywhere
  {% endupdate %}

{% update date="2026-02-09" %}

## 2026.02.09-1-rc2

frontend: `sha256:29bd192c8905b7014d28b0ef6986f5b509f9bd1195b04eada43dc09a1b96109f`

mergeit: `sha256:06ac071d624e84e080e8954152579e2d0e02db27867420b86fed47990ae88503`

**MergeQueue**

* Remove repo level lock from affected targets processing
  {% endupdate %}

{% update date="2026-02-09" %}

## 2026.02.09-1-rc1

frontend: `sha256:0da69716f0e7ae975f17d40e0b668f785dba250f19209c73d0fa564f3c03eb00`

mergeit: `sha256:046d53905312d097234fa6422529a3b0ca4311336c25c0aee005164b4b8e7d16`

**Misc**

* Added support for updated Helm charts to split webhook and web traffic

**MergeQueue**

* Add an ability to restrict MergeQueue trigger sources. [Read the docs](https://docs.aviator.co/mergequeue/reference/complete-reference-guide#blocked-queue-sources)
* Ignore `/aviator refresh` when all products are disabled for a repo

**Runbooks**

* Better error handling for git-failures
* Ability to delete Templates
  {% endupdate %}

{% update date="2026-02-05" %}

## 2026.02.05-2-rc1

frontend: `sha256:09b70ecb1d2e59ff2dbbbaf3de768783da6ea4dba3e5929365ae221db16c0ef9`

mergeit: `sha256:67d1ce3f7af1adde7e21b44a545e74b59d6b7c1c1dd5e0e974c76e11cb8ebcb8`

**MergeQueue**

* Additional improvements to affected target handling to prevent database contention

**Runbooks**

* Fixed missing Slack thread context in Runbook generation
* Added ability to edit existing templates
* Configurations can now be applied at the repository level, supporting Account, Repository, and Session level configurations

**FlexReview**

* Added ability to select different reviewer settings for internal and external reviews. Current configuration is applied to both internal and external during the deploy to ensure consistent behavior
  {% endupdate %}

{% update date="2026-02-03" %}

## 2026.02.03-1-rc1

frontend: `sha256:3ef81ee7c82b76755a63a5f123733ad7d87630dd4bdbd94a8c6cc01836b581c6`

mergeit: `sha256:470355c95ad622b1d88a8ab4c415e3bd966f12cc8ce6919f7ca68641f98e2029`

**MergeQueue**

* Improvements around database contention with large number of affected targets
* Aviator sync improvements for stacked PRs

**Runbooks**

* Revert integration into runbook task queue
* Template publishing improvements

**Releases**

* Surface GitHub errors for build/deploy failures
  {% endupdate %}

{% update date="2026-01-27" %}

## 2026.01.27-4-rc1

frontend: `sha256:781da3cefbea1a8bf0fccdd04593c3affe8beed72ceae7bb263a7fd595dc313b`

mergeit: `sha256:f1bda54b829dc6808eae26fed1bee00c76cc8719c3f31797e3138cc81c97fdd4`

{% hint style="warning" %}
**This release has a breaking change.**

1. You will need to install **pgvector plugin** before migration.
2. This release also introduces a new webserver to support websockets. This requires setting up `USE_HYPERCORN=true` as an env variable for the web pod. Only applicable if using Runbooks.
   {% endhint %}

**MergeQueue**

* Move large affected targets ingestion to background task (API now returns `202` instead of `200` for large targets list)
* Show full name over hash for deleted user in audit trail
* Stacked PRs: Exclude displaying the closed PRs in Chrome Extension
* ChangeSets: Redirect old pages to the new ones

**Runbooks**

* New feature: Revert step(s)
* Task queuing for all messages, agent executions and revisions
* Ability to delete steps
* Reduce GitHub API usage
* Fix Runbooks MCP routing
* Failure handling for Sandbox connections
* Remove claude attribution from revision commit messages
* Fix bug with saving Runbooks without steps

**Releases**

* Fix a bug with cherry-pick popup release list
* Fix ordering of stacked PRs
  {% endupdate %}

{% update date="2026-01-15" %}

## 2026.01.15-1-rc1

frontend: `sha256:28e54a08fb6bd5a730531985d5dd6d4a0c23abc66c6c190cf5166704f45550e2`

mergeit: `sha256:1a5de3acb3bad0aa8317a070c67d0c3fdb84f0bafe44d54f4ffcf1ea76ef7290`

**Runbooks**

* Ability to delete step from the chat session

**MergeQueue**

* Restrict config editing from dashboard when it's stored in GitHub
* Add a message for PRs blocked due to barrier PR (blocking PR)
  {% endupdate %}

{% update date="2026-01-12" %}

## 2026.01.12-2-rc1

frontend: `sha256:2df0074431f6f686a192172df2d7725616e3285e466b18400eecb21c75d646bd`

mergeit: `sha256:bba2906f15fa70abae8870f3dcddd8f326a595134f3f533394d545ee4af2ab75`

**Runbooks**

* Fixes around no code change behavior
* Added feature for creating template from PR
* Improved step editing behavior to prevent editing of completed steps, and better carry over progress from completed steps after editing
* Introduced the ability to revert completed steps
  {% endupdate %}

{% update date="2026-01-08" %}

## 2026.01.08-1-rc1

frontend: `sha256:0c5f9dbf53d7fb555e242860ca030a95804e26e5c7ab100218df5a1fdbef54b8`

mergeit: `sha256:d1174ea772b499687f04110c5d8f0651194784b49e4deabc4c27eebc7c7782fb`

**General**

* SAML config now supports comma separated whitelisted domains

**Runbooks**

* Hide container selection dropdown when SSH sandboxes are configured
* Introduce a details section in the chat session
* Update PR description for Runbook generated PRs
  {% endupdate %}

{% update date="2026-01-05" %}

## 2026.01.05-3-rc1

frontend: `sha256:9b3b4be74007c719dc00fa3ac3ff00758b9d7ee2ed6e42b0bbc90e43b768b3fe`

mergeit: `sha256:b00ad36a4b181adec3bfa00db81fa39eb7be5ef3fefecdc29eef585354575f10`

**General**

* Archived GitHub repositories get removed from Aviator

**Runbooks**

* Retry SSH sandbox connection
* Allow claude to write to `/tmp`
* Prevent storing malformed step markdown
* Support for custom E2B templates

**Releases**

* Improved error handling of missing workflow configurations
  {% endupdate %}
  {% endupdates %}


---

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