2ZR-FE oil consumption fixed?

Didn't mean to alarm anyone with the title but out of boredom I was researching vehicle reliability ratings, I think it was an article where it listed most cars that users returned due to lemon law. Anyway, few minutes later I came across an article where it seems like there was a significant problem with Corolla model years 2008-09 or something close to that where 2ZR-FE (which is what's in our cars) was burning oil like crazy resulting in many engine failures. I'm almost 100% sure the issue has been addressed but does anyone know if during whenever 2ZR-FE was introduced until now, have there been any changes or is the engine unchanged in the last 10 years? Also, does anyone know what was the issue with oil consumption and if it's been resolved since?

Reminds me of the same thing Camry and anyone with Toyota 2.4 liter engine was going through with oil consumption during 2008 or around the same time as Corolla's issue. Quite a coincidence that most reliable vehicles on the road fudged up this much with two engines they were putting into everything from scion Xb, TC, Matrix, Camry, Corolla.....

The 2ZR was introduced in 2008 into the Corolla lineup with the 10th gen Corolla's so they were pretty much brand new engines in a brand new configuration and with anything brand new, there will be problems. With the 2009 Corolla's, the common issues were that the water pumps would be faulty, one of the gaskets could leak oil, and there was a slight oil burning issue (probably due to pistons rings) on very early 2009 Corolla's (although, it wasn't as huge of an issue like the 2.4L 2AZ and it's oil burning issues). All of these issues were addressed with the 2010 and 2011 Corolla's. There have been minor changes to the 2ZR over the years including the addition of the 2ZR-FAE which uses Valvematic instead of Dual VVT-i but it's still the same engine since then. You have nothing to worry about though because these engines are very reliable and millions of people have a Toyota with this engine (even Lotus Elise's use the 2ZR with a supercharger) that still work reliably for them. The 2.4L 2AZ was the engine that had a bad design in them which caused oil burning issues on a lot of Toyota models. Toyota brought out the 2.5L 2AR engine to replace the 2AZ because of this.

The 2ZR had some youth problems (adaptation to W20 ?) but nothing to compare with BMW or Subaru...
https://www.toyotaparts.metro-toyota.com/1ZR-FE_ENGINE_OIL_CONSUMPTION_T-SB-0145-08.pdf
https://www.toyotaparts.metro-toyota.com/1ZR-FE_ENGINE_OIL_CONSUMPTION_T-SB-0145-08.pdf
... or Toyota's own 2AZ (class action and extended warranty).
http://www.rav4world.com/tsb/2011/T-SB-0094-11.pdf

ZeCorolla man you've answered my question to the T. Thanks for confirming what I kind of assumed an noticed over the years. My worries have perished

@jolly thanks for the additional info.

Bottom line bran new configurations sometimes need time to perfect itself. Too bad they've had such a long run with producing 2.4 engines that were burning oil and if you asked anyone at the dealership, they didn't know anything about it. I personally know 3-5 people 3 with camrys running 2.4 one hybrid and couple with rav4. Luckilly my wife has a 2011 camry with the 2.5 and my mom 2017 rav4 also with 2.5 so those cars should be problem free.

This was a pretty rare issue with some of the first Corollas produced in the first half of 2008 as 2009 models. It was actually fixed with a firmware update on the ECU. My Corolla was produced in 11/08 and I've had no oil burning issues. On my 9400 mile trip last fall I had no noticeable drop in my oil level.