This PR was merged into the 1.13 branch.
Discussion
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| Q | A |
|-----------------|--------------------------------------------------------------|
| Branch? | 1.13
| Bug fix? | no
| New feature? | kinda
| BC breaks? | no
| Deprecations? | no
| Related tickets | improvements based on #14865
| License | MIT
There are few changes not suitable to be pushed as "bug fix" in `1.12`.
Preview:

Commits
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87733a29ad Improve displaying info about insufficient stock in the cart
f46dcffd22 Fix issues with addFlash on Symfony 6.x