> Every time a manufacturer says vague descriptions like "security" or "performance" fixes, be wary - they probably removing perfectly working functionality for "reasons"
I have a pair of WF-1000XM3s and this is painfully true. ANC was brilliant on these until I naively updated, and whoosh - instantly and grossly degraded ANC, to the point I previously almost didn't hear people talking at distance, keyboard chatter, city traffic etc. and now I do, no matter the app settings.
I wanted to upgrade to the in-ear XM4s, but after this? NEVER again Sony. At least for portable audio. I got instead a pair of cheap QCY HT07s (then $28, now ~$20) and got quite surprised with ANC performance on these: easily beats the crap of the XM3s-on-latest-firmware, and gets close to the previous one in audio quality. Which is a lot to say about Sony "updates".
I have a pair of WF-1000XM3s and this is painfully true. ANC was brilliant on these until I naively updated, and whoosh - instantly and grossly degraded ANC, to the point I previously almost didn't hear people talking at distance, keyboard chatter, city traffic etc. and now I do, no matter the app settings.
I wanted to upgrade to the in-ear XM4s, but after this? NEVER again Sony. At least for portable audio. I got instead a pair of cheap QCY HT07s (then $28, now ~$20) and got quite surprised with ANC performance on these: easily beats the crap of the XM3s-on-latest-firmware, and gets close to the previous one in audio quality. Which is a lot to say about Sony "updates".