The main point of a commit graph is giving you a visualization to make sense if your git history:
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To view the git graph, go to the commits page.
The Show All button
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Bitbucket introduced its commit graph since version 6.1 and requested to hide the legacy mode commit by Charts & Graphs app provided commit graph by default. The Show All button is not displayed when Bitbucket 6.1's commit graph is enabled. To view the legacy mode commit the Charts & Graphs app provided commit graph and display Show All button option, you can find instructions here. |
What the show all button does is it shows all branches (even divergent ones), even if they don't return to master. When you select a branch normally, it only shows branches which merge back into the selected branch.