After 4a and 6a, now is the time for 7a to shine!
Though, is it still in early beta and apparently very few models seem to be affected and there isn’t any word of system update to nuke the battery life on this model. But it goes to show that Google is treating the A series really badly.
When I contacted Google a year ago about my swelling 7a, they simply reimbursed me the full purchase price. I then replaced the battery myself. Great customer service and I now have a perfectly working 7a that only cost me 50 euros. So this program already existed for some time, specifically for the 7a.