Release v5.9.0-beta.1 #8813

Job	Run time
Type Checking (current version)	47s
Debug and Prebuilt (All Tests by Package + Canary Features)	3m 9s
Linting	1m 6s
Type Checking (other supported versions) (4.9)	1m 4s
Type Checking (other supported versions) (5.0)	1m 1s
Type Checking (other supported versions) (5.1)	57s
Type Checking (other supported versions) (5.2)	58s
Type Checking (other supported versions) (5.3)	55s
Blueprint Tests	7m 57s
Debug and Prebuilt (All Tests by Package + Canary Features) with all Deprecations enabled	3m 16s
Debug and Prebuilt (All Tests by Package + Canary Features) with Deprecations as Errors	3m 40s
Smoke tests (Full Ember Apps)	1m 25s
Extend Prototypes	2m 35s
Production (All Tests + Canary Features with Debug Render Tree)	3m 1s
Browserstack Tests (Safari, Edge)	3m 29s
Production (All Tests + Canary Features)	3m 15s
Browser Tests (Firefox)	1m 59s
Node.js Tests	54s
Publish channel to s3	1m 10s
Notify Discord	0s
Deploy tags to npm	0s
Publish alpha from default branch	0s
	42m 38s

Provide feedback