Hi @carolm29 It was just a simple table: but when i edit in the WYSIWYG the HTML gets stripped out leaving just text. I switched to WP 2024 theme and the problem persisted (on my local server). My next step is to rollback woocommerce, or compare new and old templates- thanks!
<table class="size-guide">
<thead>
<tr>
<th>Metric</th>
<th>S</th>
<th>M</th>
<th>L</th>
<th>XL</th>
<th>2XL</th>
<th>3XL</th>
<th>4XL</th>
<th>5XL</th>
</tr>
</thead>
<tbody>
<tr>
<td>Length, cm</td>
<td>72.00</td>
<td>74.50</td>
<td>77.00</td>
<td>79.50</td>
<td>82.00</td>
<td>84.50</td>
<td>87.00</td>
<td>89.50</td>
</tr>
<tr>
<td>Width, cm</td>
<td>52.00</td>
<td>57.00</td>
<td>62.00</td>
<td>67.00</td>
<td>72.00</td>
<td>77.00</td>
<td>82.00</td>
<td>87.00</td>
</tr>
<tr>
<td>Pocket length, cm</td>
<td>14.48</td>
<td>14.99</td>
<td>15.49</td>
<td>16.00</td>
<td>16.51</td>
<td>17.02</td>
<td>17.27</td>
<td>17.27</td>
</tr>
<tr>
<td>Pocket width, cm</td>
<td>12.45</td>
<td>12.95</td>
<td>13.46</td>
<td>14.00</td>
<td>14.48</td>
<td>14.99</td>
<td>15.49</td>
<td>15.49</td>
</tr>
</tbody>
</table>
<table class="size-guide">
<thead>
<tr>
<th>Inches</th>
<th>S</th>
<th>M</th>
<th>L</th>
<th>XL</th>
<th>2XL</th>
<th>3XL</th>
<th>4XL</th>
<th>5XL</th>
</tr>
</thead>
<tbody>
<tr>
<td>Length, in</td>
<td>28.35</td>
<td>29.33</td>
<td>30.31</td>
<td>31.30</td>
<td>32.28</td>
<td>33.27</td>
<td>34.25</td>
<td>35.24</td>
</tr>
<tr>
<td>Width, in</td>
<td>20.47</td>
<td>22.44</td>
<td>24.41</td>
<td>26.38</td>
<td>28.35</td>
<td>30.31</td>
<td>32.28</td>
<td>34.25</td>
</tr>
<tr>
<td>Pocket length, in</td>
<td>5.70</td>
<td>5.90</td>
<td>6.10</td>
<td>6.30</td>
<td>6.50</td>
<td>6.70</td>
<td>6.80</td>
<td>6.80</td>
</tr>
<tr>
<td>Pocket width, in</td>
<td>4.90</td>
<td>5.10</td>
<td>5.30</td>
<td>5.51</td>
<td>5.70</td>
<td>5.90</td>
<td>6.10</td>
<td>6.10</td>
</tr>
</tbody>
</table>