TYPO3 Core

I have installed tt_products 2.4.6. This one excludes zk_products as conflicts.
However it seems that the EM wants to let me install zk_products after tt_products.
I did not dare to press UPDATE now in order to do not get the conflict.

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Extension: Shop system (extended by ZK) (zk_products) Go back
Installing Shop system (extended by ZK): DATABASE NEEDS TO BE UPDATED
Before the extension can be installed the database needs to be updated with new tables or fields. Please select which operations to perform:
Changing fields
ALTER TABLE tt_products CHANGE inStock inStock int(11) default '0';
Current value: int(11) default '1'
ALTER TABLE tt_products CHANGE gradings gradings varchar(40) default '';
Current value: varchar(255) default ''
ALTER TABLE tt_products CHANGE subtitle subtitle tinytext;
Current value: mediumtext
ALTER TABLE sys_products_orders_mm_tt_products DROP KEY tt_products_uid;
ALTER TABLE sys_products_orders_mm_tt_products ADD KEY tt_products_uid (tt_products_uid);
ALTER TABLE tt_content CHANGE tt_products_code tt_products_code varchar(30) default 'LIST';
Current value: varchar(30) default 'HELP'

Clear cache

This extension requests the cache to be cleared when it is installed/removed.
Clear all cache:

(issue imported from #M2652)