What is Breaks BC mean while making pull request?

i am confused to give answers when making pull request

| Q | A

| ------------- | —

| Is bugfix? | yes/no

| New feature? | yes/no

| Breaks BC? | yes/no

| Tests pass? | yes/no

| Fixed issues | comma-separated list of tickets # fixed by the PR, if any

anyone know that?

I guess it stands for Backwards Compatibility :)

Yes. It’s backwards compatibility. Here’s the reference: https://github.com/yiisoft/yii2/blob/master/docs/internals/bc.md

tahnks

thanks mastah

*note

mastah is a call to master in indonesia