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Planned breaking changes for v2.0.0

Status: Open.

Epic

#5062 In grafana/k6;

· codebien opened on Aug 18, 2025

Migrate k6 cloud command and subcommands to cloud API v6

cloud

medium prio

refactor

Status: Open.

Epic

#5009 In grafana/k6;

· oleiade opened on Aug 5, 2025

k6 CLI: Support creating/starting/stopping/uploading/fetching a test using Cloud API v6

cloud

feature

refactor

Status: Open.

Enhancement

#5518 In grafana/k6;

· AgnesToulet opened on Dec 18, 2025

k6 CLI: Support local test execution using Cloud API v6

cloud

feature

refactor

Status: Open.

Enhancement

#5519 In grafana/k6;

· AgnesToulet opened on Dec 18, 2025

k6 CLI: Update retrieving test progress

cloud

refactor

Status: Open.

Enhancement

#5520 In grafana/k6;

· AgnesToulet opened on Dec 18, 2025

opentelemetry: Overwrite defaults with standard OTLP exporter env vars

area: opentelemetry

Status: Open (in progress).

grafana/k6number 5350

#5350 In grafana/k6;

· joanlopez opened on Oct 30, 2025

Drop externally-controlled executor

breaking changefor PRs that need to be mentioned in the breaking changes section of the release notesfor PRs that need to be mentioned in the breaking changes section of the release notes

Status: Open.

Task

#5640 In grafana/k6;

· codebien opened on Feb 11, 2026

Do not startup the HTTP server by default

breaking changefor PRs that need to be mentioned in the breaking changes section of the release notesfor PRs that need to be mentioned in the breaking changes section of the release notes

Status: Open.

Task

#5648 In grafana/k6;

· codebien opened on Feb 11, 2026

Evaluate moving away from grpc.DialContext

area: grpc

evaluation neededproposal needs to be validated or tested before fully implementing it in k6proposal needs to be validated or tested before fully implementing it in k6

Status: Open.

#3699 In grafana/k6;

· mstoykov opened on Apr 22, 2024

Drop SingleCounterForRate

area: opentelemetry

Status: Open.

Enhancement

#5185 In grafana/k6;

· codebien opened on Sep 16, 2025

Add k6 cloud project and k6 cloud project list commands

feature

Status: Open (in progress).

grafana/k6number 5650

#5650 In grafana/k6;

· oleiade opened on Feb 12, 2026

Add redirect extra headers

Status: Open (in progress).

grafana/k6number 5631

#5631 In grafana/k6;

· ankur22 opened on Feb 9, 2026

k6/Browser Shared Worker support?

area: browser

awaiting userwaiting for user to respondwaiting for user to respond

feature

triage

Status: Open.

#4705 In grafana/k6;

· camanderson opened on Apr 17, 2025

Extend k6 cloud command abilities

feature

Status: Open.

Enhancement

#5644 In grafana/k6;

· andrewslotin opened on Feb 11, 2026

Move k6 to use go.k6.io/k6/v2 path

breaking changefor PRs that need to be mentioned in the breaking changes section of the release notesfor PRs that need to be mentioned in the breaking changes section of the release notes

Status: Open (in progress).

grafana/k6number 5777

#5777 In grafana/k6;

· mstoykov opened on Mar 30, 2026

cloud: migrate run and upload to v6 API

Status: Open (in progress).

grafana/k6number 5769

#5769 In grafana/k6;

· inancgumus opened on Mar 28, 2026

websockets: buffered amount not tracked in ArrayBuffer for typed arrays - fixes #5715

Status: Open (in progress).

grafana/k6number 5716

#5716 In grafana/k6;

· prakharbirla-ng opened on Mar 7, 2026

CLI Cloud commands: make stack info mandatory

breaking changefor PRs that need to be mentioned in the breaking changes section of the release notesfor PRs that need to be mentioned in the breaking changes section of the release notes

cloud

feature

Status: Open.

Task

#5651 In grafana/k6;

· AgnesToulet opened on Feb 12, 2026

Use synctest in output tests to fix flaky TestOutputFlushWorkersStop

Status: Open (in progress).

grafana/k6number 5817

#5817 In grafana/k6;

· mstoykov opened on Apr 8, 2026

Remove SingleCounterForRate option from OTEL output

Status: Open (in progress).

grafana/k6number 5830

#5830 In grafana/k6;

· ankur22 opened on Apr 10, 2026

Enforce stack info for cloud commands

breaking changefor PRs that need to be mentioned in the breaking changes section of the release notesfor PRs that need to be mentioned in the breaking changes section of the release notes

cloud

Status: Open (in progress).

grafana/k6number 5833

#5833 In grafana/k6;

· codebien opened on Apr 10, 2026

Drop externally-controlled executor

Status: Open (in progress).

grafana/k6number 5846

#5846 In grafana/k6;

· mstoykov opened on Apr 15, 2026

feat: remove deprecated direct execution from k6 cloud command

breaking changefor PRs that need to be mentioned in the breaking changes section of the release notesfor PRs that need to be mentioned in the breaking changes section of the release notes

Status: Open (in progress).

grafana/k6number 5133

#5133 In grafana/k6;

· moko-poi opened on Sep 6, 2025