There are a few recent exciting developments affecting both branches of J-M241, mostly European J-L283 and mostly Indian/West Asian J-Z2432.
Flor Veseli has found that an Uzbek J-M102(xZ534) has a SNP in common with the ancient sample from Tepe Abdul Hosein. This makes is likely that the ancestor of all J-M102 lived somewhere between Iran and Uzbekistan.
A new sample has been found, we don't yet know who he his, processing on YFull in the position ABOVE J-M241 known as Z593. All we know about this branch is that another man from Scotland is positive for it and negative for M241. I do not interpret the modern Scottish presence of this basal J-Z593 as evidence that the J-Z593 ancestor lived in Scotland because it would require a neolithic migration from Scotland to India for descendant J-Z2432 which is not supported by any information I have read. Hopefully this new sample will shed additional light once we know where they trace their descent.
We have identified one man with an English surname who appears about equally distantly related to J-L283 as he does to J-Z2432. If he is negative for both, he would form his own third branch below J-M241, or possibly split this branch. This would be a major and unexpected breakthrough.
SNP testing has revealed that the ancestor of the J-M241 Biebers of Alsace are negative for branch Z597. A Big Y is processing and we expect the sample to fall between L283 and Z615.
A second cluster which is Norwegian and German appears to fall in the same range between L283 and Z615, though they do not appear closely related to the first cluster. We are waiting on the Big Y result of one of the Norwegians.
We hope that some of these new northern European samples end up forming new subclades with existing YFull samples. The more geographically consistent, older subclades of J-L283 we find, the better we may trace the path of the main L283 lineages through Europe. The interesting question is when did these L283 lineages become established in NW Europe.
We are also still waiting for Dante Labs results of an Azorean lineage which I had predicted to be Z2432. They would be the first confirmed European Z2432.
Some recent developments in J-Z2432 have resulted in the discovery of four successive subclades under Y978>Y958>Z8326>Z8316 which formed in a one hundred year period during 4400-4300 BC. These men may have been members of a powerful dynasty in NW India. Four of the samples on the YFull tree are not attributed to a more specific location than India so NW India is a tentative prediction. The timing corresponds to the Pre-Harappan/Early-Harappan stage of the Indus Valley Civilization.
Another interesting J-L283 development is the establishment of an Albanian-Spanish subclade called Y161916 below Z38300. Their most recent common ancestor lived 1100 BC, only 200 years after Z38300's most recent common ancestor.
We have also identified numerous likely Z40052 and Y23094 clusters consisting of NW Europeans which have yet to establish their exact position on the YFull tree.