TYPO3 Core

The typo3/cms-core package of which you are a maintainer has
failed to update due to invalid data contained in your composer.json.
Please address this as soon as possible since the package stopped updating.

It is recommended that you use `composer validate` to check for errors when you
change your composer.json.

Below is the full update log which should highlight errors as
"Skipped branch ...":

[Composer\Repository\InvalidRepositoryException]: Some branches contained invalid data and were discarded, it is advised to review the log and fix any issues present in branches

Reading composer.json of typo3/cms-core (v10.1.0)
Found cached composer.json of typo3/cms-core (v10.1.0)
Reading composer.json of typo3/cms-core (v10.0.0)
Found cached composer.json of typo3/cms-core (v10.0.0)
Reading composer.json of typo3/cms-core (v9.5.9)
Found cached composer.json of typo3/cms-core (v9.5.9)
Reading composer.json of typo3/cms-core (v9.5.8)
Found cached composer.json of typo3/cms-core (v9.5.8)
Reading composer.json of typo3/cms-core (v9.5.7)
Found cached composer.json of typo3/cms-core (v9.5.7)
Reading composer.json of typo3/cms-core (v9.5.6)
Found cached composer.json of typo3/cms-core (v9.5.6)
Reading composer.json of typo3/cms-core (v9.5.5)
Found cached composer.json of typo3/cms-core (v9.5.5)
Reading composer.json of typo3/cms-core (v9.5.4)
Found cached composer.json of typo3/cms-core (v9.5.4)
Reading composer.json of typo3/cms-core (v9.5.3)
Found cached composer.json of typo3/cms-core (v9.5.3)
Reading composer.json of typo3/cms-core (v9.5.2)
Found cached composer.json of typo3/cms-core (v9.5.2)
Reading composer.json of typo3/cms-core (v9.5.1)
Found cached composer.json of typo3/cms-core (v9.5.1)
Reading composer.json of typo3/cms-core (v9.5.0)
Found cached composer.json of typo3/cms-core (v9.5.0)
Reading composer.json of typo3/cms-core (v9.4.0)
Found cached composer.json of typo3/cms-core (v9.4.0)
Reading composer.json of typo3/cms-core (v9.3.3)
Found cached composer.json of typo3/cms-core (v9.3.3)
Reading composer.json of typo3/cms-core (v9.3.2)
Found cached composer.json of typo3/cms-core (v9.3.2)
Reading composer.json of typo3/cms-core (v9.3.1)
Found cached composer.json of typo3/cms-core (v9.3.1)
Reading composer.json of typo3/cms-core (v9.3.0)
Found cached composer.json of typo3/cms-core (v9.3.0)
Reading composer.json of typo3/cms-core (v9.2.1)
Found cached composer.json of typo3/cms-core (v9.2.1)
Reading composer.json of typo3/cms-core (v9.2.0)
Found cached composer.json of typo3/cms-core (v9.2.0)
Reading composer.json of typo3/cms-core (v9.1.0)
Found cached composer.json of typo3/cms-core (v9.1.0)
Reading composer.json of typo3/cms-core (v9.0.0)
Found cached composer.json of typo3/cms-core (v9.0.0)
Reading composer.json of typo3/cms-core (v8.7.27)
Found cached composer.json of typo3/cms-core (v8.7.27)
Reading composer.json of typo3/cms-core (v8.7.26)
Found cached composer.json of typo3/cms-core (v8.7.26)
Reading composer.json of typo3/cms-core (v8.7.25)
Found cached composer.json of typo3/cms-core (v8.7.25)
Reading composer.json of typo3/cms-core (v8.7.24)
Found cached composer.json of typo3/cms-core (v8.7.24)
Reading composer.json of typo3/cms-core (v8.7.23)
Found cached composer.json of typo3/cms-core (v8.7.23)
Reading composer.json of typo3/cms-core (v8.7.22)
Found cached composer.json of typo3/cms-core (v8.7.22)
Reading composer.json of typo3/cms-core (v8.7.21)
Found cached composer.json of typo3/cms-core (v8.7.21)
Reading composer.json of typo3/cms-core (v8.7.20)
Found cached composer.json of typo3/cms-core (v8.7.20)
Reading composer.json of typo3/cms-core (v8.7.19)
Found cached composer.json of typo3/cms-core (v8.7.19)
Reading composer.json of typo3/cms-core (v8.7.18)
Found cached composer.json of typo3/cms-core (v8.7.18)
Reading composer.json of typo3/cms-core (v8.7.17)
Found cached composer.json of typo3/cms-core (v8.7.17)
Reading composer.json of typo3/cms-core (v8.7.16)
Found cached composer.json of typo3/cms-core (v8.7.16)
Reading composer.json of typo3/cms-core (v8.7.15)
Found cached composer.json of typo3/cms-core (v8.7.15)
Reading composer.json of typo3/cms-core (v8.7.14)
Found cached composer.json of typo3/cms-core (v8.7.14)
Reading composer.json of typo3/cms-core (v8.7.13)
Found cached composer.json of typo3/cms-core (v8.7.13)
Reading composer.json of typo3/cms-core (v8.7.12)
Found cached composer.json of typo3/cms-core (v8.7.12)
Reading composer.json of typo3/cms-core (v8.7.11)
Found cached composer.json of typo3/cms-core (v8.7.11)
Reading composer.json of typo3/cms-core (v8.7.10)
Found cached composer.json of typo3/cms-core (v8.7.10)
Reading composer.json of typo3/cms-core (v8.7.9)
Found cached composer.json of typo3/cms-core (v8.7.9)
Reading composer.json of typo3/cms-core (v8.7.8)
Found cached composer.json of typo3/cms-core (v8.7.8)
Reading composer.json of typo3/cms-core (v8.7.7)
Found cached composer.json of typo3/cms-core (v8.7.7)
Reading composer.json of typo3/cms-core (master)
Importing branch master (dev-master)
Skipped branch master, Invalid package information: 
Deprecation warning: replace.core is invalid, it should have a vendor name, a forward slash, and a package name. The vendor and package name can be words separated by -, . or _. The complete name should match "[a-z0-9]([_.-]?[a-z0-9]+)*/[a-z0-9]([_.-]?[a-z0-9]+)*". Make sure you fix this as Composer 2.0 will error.

Reading composer.json of typo3/cms-core (8.7)
Found cached composer.json of typo3/cms-core (8.7.x-dev)
Reading composer.json of typo3/cms-core (9.2)
Found cached composer.json of typo3/cms-core (9.2.x-dev)
Reading composer.json of typo3/cms-core (9.3)
Found cached composer.json of typo3/cms-core (9.3.x-dev)
Reading composer.json of typo3/cms-core (9.5)
Found cached composer.json of typo3/cms-core (9.5.x-dev)

composer validate in typo3/sysext/core:

composer validate
Deprecation warning: replace.core is invalid, it should have a vendor name, a forward slash, and a package name. The vendor and package name can be words separated by -, . or _. The complete name should match "[a-z0-9]([_.-]?[a-z0-9]+)*/[a-z0-9]([_.-]?[a-z0-9]+)*". Make sure you fix this as Composer 2.0 will error.
Deprecation warning: replace.core is invalid, it should have a vendor name, a forward slash, and a package name. The vendor and package name can be words separated by -, . or _. The complete name should match "[a-z0-9]([_.-]?[a-z0-9]+)*/[a-z0-9]([_.-]?[a-z0-9]+)*". Make sure you fix this as Composer 2.0 will error.
./composer.json is valid, but with a few warnings
See https://getcomposer.org/doc/04-schema.md for details on the schema
Deprecation warning: replace.core is invalid, it should have a vendor name, a forward slash, and a package name. The vendor and package name can be words separated by -, . or _. The complete name should match "[a-z0-9]([_.-]?[a-z0-9]+)*/[a-z0-9]([_.-]?[a-z0-9]+)*". Make sure you fix this as Composer 2.0 will error.