# Studio 5.1.2.RC - 20 February 2019

Studio 5.1.2.RC is a patch release that includes several bug fixes.

# Fixed issues

• TISTUD-8846 (opens new window) - Error Reporting: NumberFormatException from Preference > Studio > API Builder

• TISTUD-9031 (opens new window) - Studio installs outdated hyperloop plugin

• TISTUD-9090 (opens new window) - Appc studio encounters java.lang.NullPointerException in 5.1.0.201806130758

• TISTUD-9111 (opens new window) - Studio crash report: History service is not (yet) available

• TISTUD-9116 (opens new window) - CollapseAll icon is missing in the General -> Keys preferences in the studio

• TISTUD-9117 (opens new window) - Fixing major error reporting issues on 5.1.0

• TISTUD-9118 (opens new window) - Failed to add Alloy project templates when there is a new Appc CLI core update

• TISTUD-9125 (opens new window) - Error reporting: Deleting a closed project thrown an exception

• TISTUD-9126 (opens new window) - Studio 5.1.1.GA does not show the right release notes for SDK 7.4.0.GA

# Known issues

• TISTUD-9110 (opens new window) - Using Debugger breakpoint is not working on studio 5.1.0 (alloy and classic)

• TISTUD-9159 (opens new window) - iOS Debug: Not able to debug on iOS Simulator version 11.3