HA Core 2026.07 breaks ability to display multiple, distinct history tabs simultaneously

Release notes claim that patch provided by @MindFreeze yields

A faster frontend. A big batch of performance work landed this release, most noticeably across the energy, history, and statistics graphs, so they draw quicker and feel snappier.

However, I can no longer keep multiple distinct history tabs open with historical views of different entities.

I like to keep a window open in chrome with a series of tabs dedicated to weekly historical trends for different entities (e.g., one for all my fridge/freezer temps, another for all my inside room temps, etc.)

But now whenever I update one tab, all the other tabs switch to the entities on that tab -- unless i refresh each url separately. But, then when I update the 2nd tab, all the other tabs show the data from that tab. Making it an exercise in futility to have multiple simultaneous, distinct history tabs open.

MAJOR REGRESSION IMHO which makes viewing multiple history tabs orders of magnitude slower and more painful -- in contrast to the claimed performance improvement!

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