An adverb meaning 'as always' or 'as ever,' indicating something is as usual or unchanged.
いつもながら彼の準備は完璧だった。
As always, his preparation was perfect.
この店のコーヒーはいつもながら美味しい。
The coffee at this shop is, as ever, delicious.
いつもながらのことだが、詳細は後日連絡します。
As is always the case, details will be communicated later.