Cloud can't excute in parallel since May 12

It worked very well before May 12.
However Drone Cloud can’t excute in parallel since May 12.Can someone help me ?
here’s my yml

---
kind: pipeline
name: test_amd64

platform:
  os: linux
  arch: amd64

steps:
- name: smoke_test
  image: python:3.8
  commands:
  - apt-get update
  - apt-get install -y cmake build-essential gcc 
  - pip3 install psutil
  - pip3 install guppy3
  - pip3 install src/connector/python/linux/python3/
  - mkdir debug
  - cd debug
  - cmake .. 
  - make 
  - cd ../tests
  - ./test-all.sh smoke
  when:
    branch:
    - develop
    - master


- name: crash_gen
  image: python:3.8
  commands:
  - pip3 install requests
  - pip3 install src/connector/python/linux/python3/
  - pip3 install psutil
  - pip3 install guppy3
  - cd tests/pytest 
  - ./crash_gen.sh -a -p -t 4 -s 2000
  when:
    branch:
    - develop
    - master


---
kind: pipeline
name: test_arm64

platform:
  os: linux
  arch: arm64

steps:
- name: build
  image: gcc
  commands:
  - apt-get update
  - apt-get install -y cmake build-essential
  - mkdir debug
  - cd debug
  - cmake .. -DCPUTYPE=aarch64 > /dev/null
  - make 
  when:
    branch:
    - develop
    - master
---
kind: pipeline
name: test_arm

platform:
  os: linux
  arch: arm

steps:
- name: build
  image: arm32v7/ubuntu:bionic
  commands:
  - apt-get update
  - apt-get install -y cmake build-essential
  - mkdir debug
  - cd debug
  - cmake .. -DCPUTYPE=aarch32 > /dev/null
  - make 
  when:
    branch:
    - develop
    - master

---
kind: pipeline
name: build_trusty

platform:
  os: linux
  arch: amd64

steps:
- name: build
  image: ubuntu:trusty
  commands:
  - apt-get update
  - apt-get install -y gcc cmake3 build-essential git binutils-2.26
 
  - mkdir debug
  - cd debug
  - cmake .. 
  - make 
  when:
    branch:
    - develop
    - master

---
kind: pipeline
name: build_xenial

platform:
  os: linux
  arch: amd64

steps:
- name: build
  image: ubuntu:xenial
  commands:
  - apt-get update
  - apt-get install -y gcc cmake build-essential
  - mkdir debug
  - cd debug
  - cmake .. 
  - make 
  when:
    branch:
    - develop
    - master

---
kind: pipeline
name: build_bionic
platform:
  os: linux
  arch: amd64

steps:
- name: build
  image: ubuntu:bionic
  commands:
  - apt-get update
  - apt-get install -y gcc cmake build-essential
  - mkdir debug
  - cd debug
  - cmake .. 
  - make 
  when:
    branch:
    - develop
    - master

---
kind: pipeline
name: goodbye

platform:
  os: linux
  arch: amd64

steps:
- name: 64-bit
  image: alpine
  commands:
  - echo 64-bit is good.
  when:
    branch:
    - develop
    - master


depends_on:
- test_arm64
- test_amd64

@liuyq-617,

Could you please provide below details so that we can check and update accordingly:

  1. The error that you are getting
  2. The time when you started seeing the issue.

Regards,
Harness Support

thank you for your reply
1、I use the Drone Cloud, define multiple Pipeline objects in the same configuration file,but pipelines can’t execut in parallel . Pipelines excute one by one.
2、I started using it on April 27, and it has been able to execute in parallel until the problem occurred on May 12