The announcement is relevant for the native subscription apps which uses Shopify checkouts. Since, bold and recharge uses their own checkouts, this is not relevant for them.
If you need to enable Stripe on your store, then you may consider migrating to native Shopify subscription apps like Loop Subscriptions.
Stripe subscriptions are available with “Easy⇌Pie Shopify”. This solution supports many payment methods in your Stripe account, some payment methods support subscriptions.