2 areas to cover, based on what you told us

Why this fits you

• Complete requirement-to-test-to-defect traceability without leaving Jira.
• No second tool for the team to learn or license separately.

Main limitation

• Inherits Jira's performance characteristics; large test executions are slow.
• Billing per Jira user means non-QA staff inflate the cost.

Why this fits you

• Purpose-built case repository with parameterisation and shared steps that scale better than issue-based storage.
• Cross-project reporting for programme-level quality visibility.

Main limitation

• Two similarly named products (Squad and Scale) cause genuine purchasing confusion.
• Still bound to Jira's performance envelope.

Why this fits you

• Zero additional cost and zero additional integration to maintain.
• Automatic linking between commits, pull requests and issues.

Main limitation

• No native severity/priority model — you build it from labels.
• Reporting is weak; there is no real analytics layer.