{"id":"INC-circleci-6s53wvppvby5","kind":"incident","aliases":[],"related":[],"title":"CircleCI: Xcode 26.6 Demand + Queueing","description":"We observed a surge in demand for Xcode 26.6 and have since mitigated the incident by increasing the available capacity for that Xcode version. Customers may have seen jobs queueing for ~10-15 mins.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"CircleCI","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["ci","circleci","incident","ops","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-06-26T15:00:00+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","triaged_at":"2026-10-25T05:31:14+00:00","updated_at":"2026-10-25T05:31:14+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-15':48C '10':47C '26.6':3A,24C '6s53wvppvby5':9A 'avail':34C 'capac':35C 'ci':11B 'circleci':1A,8A,10A,12B 'custom':40C 'demand':4A,21C 'inc':7A 'inc-circleci-6s53wvppvby5':6A 'incid':13B,30C 'increas':32C 'job':44C 'may':41C 'min':49C 'mitig':28C 'observ':17C 'op':14B 'queue':5A,45C 'seen':43C 'sinc':27C 'surg':19C 'vendor':15B 'version':39C 'xcode':2A,23C,38C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-06-26T15:00:00+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"circleci:6s53wvppvby5","url":"https://stspg.io/z1sdwdk27983","severity":"medium","published_at":"2026-06-26T15:00:00+00:00","modified_at":"2026-06-26T15:30:45+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","fetched_at":"2026-10-26T06:27:41+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}