Let me take this one on behalf of Jya and Nils. Nils is off until Jan 7th and Jya is away until Jan 15th. I'm needinfo-ing Andreas (Product) for his awareness and comment because backing this out means that AV1 will not go to release in Fx 66; getting AV1 to release is something Product is invested in. I appreciate we're in a catch-22: we don't want to take this big a regression hit, but we also don't want AV1 to miss the Fx 66 train. I'll talk with devs to see if there is a reasonable "3rd option" that gets AV1 to ship to release in Fx 66 AND saves us from taking the regression hit. Stay tuned...
Bug 1514172 Comment 9 Edit History
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Let me take this one on behalf of Jya and Nils. Nils is off until Jan 7th and Jya is away until Jan 15th. I'm needinfo-ing Andreas (Product) for his awareness and comment because backing this out means that AV1 will not go to release in Fx 66; getting AV1 to release is something Product is invested in. I appreciate we're in a catch-22: we don't want to take this big a regression hit (5% perf hit on browser startup), but we also don't want AV1 to miss the Fx 66 train. I'll talk with devs to see if there is a reasonable "3rd option" that gets AV1 to ship to release in Fx 66 AND saves us from taking the regression hit. Stay tuned...