Around 2024, sika was used to 'restore' some texture to the holds significantly altering the climbing. [1]
[1] https://www.youtube.com/watch?v=6nBex5FBJDA
2 recorded ascents.
[1] https://www.facebook.com/climbing.in.the.80s/photos/a.270388289694020/1470798709652966
[2]https://www.facebook.com/climbing.in.the.80s/photos/a.270388289694020/4612848935447912/
[1] https://www.facebook.com/climbing.in.the.80s/photos/a.270388289694020/903835756349267