Part 1-1

Task-wise Selective Adaptation

Positive backward transferLater stages retrieve the same skills, so updating them lifts earlier tasks: BWT +13.7 / +8.7.

OverallIsCiL reaches 74.0 / 71.2 AUC where the best non-oracle baseline reaches 35.4 / 39.7.

CiL algorithm		FWT (%)	BWT (%)	AUC (%)	FWT (%)	BWT (%)	AUC (%)
CiL algorithm		Evolving Kitchen			Evolving World
	Pre-trained	–	–	24.3	–	–	0.0
Sequential adaptation	Seq-FT	32.7	−19.6	15.7	41.4	−33.0	12.2
	EWC	19.3	−3.2	10.4	18.2	−11.6	8.5
	Seq-LoRA	32.9	−19.9	14.5	38.1	−30.6	11.7
Adapter-based	L2M	17.5	−2.0	15.8	26.1	5.7	31.4
	L2M-g	37.5	−6.5	31.0	33.2	−0.6	33.1
	TAIL-g	53.2	−20.0	35.4	51.4	−21.4	32.5
	TAIL-τ	33.8	0.0	33.8	39.7	0.0	39.7
	IsCiL (ours)	61.8	13.7	74.0	63.2	8.7	71.2
Oracle	Multi-task	71.7	12.6	83.0	73.2	12.6	84.2

FWTnew tasks of the stageBWTtasks already learnedAUCoverall, across 20 stages